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Finding the Fourth Proportional to 243,129.92, 364,445.46 and 93,329.87

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Solution

The fourth proportional to 243,129.92, 364,445.46 and 93,329.87 is: 139,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,129.92 : 364,445.46 = 93,329.87 : x
  2. Step 2: Convert to fraction form
    243,129.92/364,445.46 = 93,329.87/x
  3. Step 3: Cross multiply
    243,129.92x = 364,445.46 × 93,329.87
  4. Step 4: Simplify right side
    243,129.92x = 34,013,648,315.00
  5. Step 5: Solve for x
    x = 34,013,648,315.00/243,129.92
  6. Step 6: Final answer
    x = 139,899.06

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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.