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Finding the Fourth Proportional to 157,329.60, 217,101.60 and 89,332.80

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Solution

The fourth proportional to 157,329.60, 217,101.60 and 89,332.80 is: 123,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,329.60 : 217,101.60 = 89,332.80 : x
  2. Step 2: Convert to fraction form
    157,329.60/217,101.60 = 89,332.80/x
  3. Step 3: Cross multiply
    157,329.60x = 217,101.60 × 89,332.80
  4. Step 4: Simplify right side
    157,329.60x = 19,394,293,812.48
  5. Step 5: Solve for x
    x = 19,394,293,812.48/157,329.60
  6. Step 6: Final answer
    x = 123,271.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.