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Finding the Fourth Proportional to 247,735.20, 371,386.80 and 168,592.80

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Solution

The fourth proportional to 247,735.20, 371,386.80 and 168,592.80 is: 252,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,735.20 : 371,386.80 = 168,592.80 : x
  2. Step 2: Convert to fraction form
    247,735.20/371,386.80 = 168,592.80/x
  3. Step 3: Cross multiply
    247,735.20x = 371,386.80 × 168,592.80
  4. Step 4: Simplify right side
    247,735.20x = 62,613,140,495.04
  5. Step 5: Solve for x
    x = 62,613,140,495.04/247,735.20
  6. Step 6: Final answer
    x = 252,742.20

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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.