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Finding the Fourth Proportional to 382,377.92, 573,565.60 and 98,068.16

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Solution

The fourth proportional to 382,377.92, 573,565.60 and 98,068.16 is: 147,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,377.92 : 573,565.60 = 98,068.16 : x
  2. Step 2: Convert to fraction form
    382,377.92/573,565.60 = 98,068.16/x
  3. Step 3: Cross multiply
    382,377.92x = 573,565.60 × 98,068.16
  4. Step 4: Simplify right side
    382,377.92x = 56,248,523,031.30
  5. Step 5: Solve for x
    x = 56,248,523,031.30/382,377.92
  6. Step 6: Final answer
    x = 147,101.91

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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.