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Finding the Fourth Proportional to 118,112,212.70, 177,168,319.05 and 118,112,212.70

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Solution

The fourth proportional to 118,112,212.70, 177,168,319.05 and 118,112,212.70 is: 177,168,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,112,212.70 : 177,168,319.05 = 118,112,212.70 : x
  2. Step 2: Convert to fraction form
    118,112,212.70/177,168,319.05 = 118,112,212.70/x
  3. Step 3: Cross multiply
    118,112,212.70x = 177,168,319.05 × 118,112,212.70
  4. Step 4: Simplify right side
    118,112,212.70x = 20,925,742,183,335,064
  5. Step 5: Solve for x
    x = 20,925,742,183,335,064/118,112,212.70
  6. Step 6: Final answer
    x = 177,168,319.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.