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Finding the Fourth Proportional to 355,587.13, 533,375.08 and 89,347.83

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Solution

The fourth proportional to 355,587.13, 533,375.08 and 89,347.83 is: 134,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,587.13 : 533,375.08 = 89,347.83 : x
  2. Step 2: Convert to fraction form
    355,587.13/533,375.08 = 89,347.83/x
  3. Step 3: Cross multiply
    355,587.13x = 533,375.08 × 89,347.83
  4. Step 4: Simplify right side
    355,587.13x = 47,655,905,974.08
  5. Step 5: Solve for x
    x = 47,655,905,974.08/355,587.13
  6. Step 6: Final answer
    x = 134,020.33

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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.