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Finding the Fourth Proportional to 118,214.70, 177,322.05 and 94,886.70

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Solution

The fourth proportional to 118,214.70, 177,322.05 and 94,886.70 is: 142,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.70 : 177,322.05 = 94,886.70 : x
  2. Step 2: Convert to fraction form
    118,214.70/177,322.05 = 94,886.70/x
  3. Step 3: Cross multiply
    118,214.70x = 177,322.05 × 94,886.70
  4. Step 4: Simplify right side
    118,214.70x = 16,825,504,161.74
  5. Step 5: Solve for x
    x = 16,825,504,161.74/118,214.70
  6. Step 6: Final answer
    x = 142,330.05

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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.