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Finding the Fourth Proportional to 152,073.35, 209,777.05 and 88,404.11

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Solution

The fourth proportional to 152,073.35, 209,777.05 and 88,404.11 is: 121,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,073.35 : 209,777.05 = 88,404.11 : x
  2. Step 2: Convert to fraction form
    152,073.35/209,777.05 = 88,404.11/x
  3. Step 3: Cross multiply
    152,073.35x = 209,777.05 × 88,404.11
  4. Step 4: Simplify right side
    152,073.35x = 18,545,154,038.62
  5. Step 5: Solve for x
    x = 18,545,154,038.62/152,073.35
  6. Step 6: Final answer
    x = 121,948.74

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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.