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Finding the Fourth Proportional to 232,503.12, 348,757.92 and 66,291.12

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Solution

The fourth proportional to 232,503.12, 348,757.92 and 66,291.12 is: 99,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,503.12 : 348,757.92 = 66,291.12 : x
  2. Step 2: Convert to fraction form
    232,503.12/348,757.92 = 66,291.12/x
  3. Step 3: Cross multiply
    232,503.12x = 348,757.92 × 66,291.12
  4. Step 4: Simplify right side
    232,503.12x = 23,119,553,125.67
  5. Step 5: Solve for x
    x = 23,119,553,125.67/232,503.12
  6. Step 6: Final answer
    x = 99,437.60

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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.