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Finding the Fourth Proportional to 176,987.70, 265,481.55 and 83,675.70

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Solution

The fourth proportional to 176,987.70, 265,481.55 and 83,675.70 is: 125,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,987.70 : 265,481.55 = 83,675.70 : x
  2. Step 2: Convert to fraction form
    176,987.70/265,481.55 = 83,675.70/x
  3. Step 3: Cross multiply
    176,987.70x = 265,481.55 × 83,675.70
  4. Step 4: Simplify right side
    176,987.70x = 22,214,354,533.34
  5. Step 5: Solve for x
    x = 22,214,354,533.34/176,987.70
  6. Step 6: Final answer
    x = 125,513.55

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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.