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Finding the Fourth Proportional to 230,587.68, 345,892.12 and 70,652.16

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Solution

The fourth proportional to 230,587.68, 345,892.12 and 70,652.16 is: 105,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,587.68 : 345,892.12 = 70,652.16 : x
  2. Step 2: Convert to fraction form
    230,587.68/345,892.12 = 70,652.16/x
  3. Step 3: Cross multiply
    230,587.68x = 345,892.12 × 70,652.16
  4. Step 4: Simplify right side
    230,587.68x = 24,438,025,404.98
  5. Step 5: Solve for x
    x = 24,438,025,404.98/230,587.68
  6. Step 6: Final answer
    x = 105,981.49

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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.