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Finding the Fourth Proportional to 302,545.59, 453,712.59 and 89,256.88

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Solution

The fourth proportional to 302,545.59, 453,712.59 and 89,256.88 is: 133,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,545.59 : 453,712.59 = 89,256.88 : x
  2. Step 2: Convert to fraction form
    302,545.59/453,712.59 = 89,256.88/x
  3. Step 3: Cross multiply
    302,545.59x = 453,712.59 × 89,256.88
  4. Step 4: Simplify right side
    302,545.59x = 40,496,968,215.13
  5. Step 5: Solve for x
    x = 40,496,968,215.13/302,545.59
  6. Step 6: Final answer
    x = 133,854.10

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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.