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Finding the Fourth Proportional to 243,129.26, 364,444.47 and 93,329.21

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Solution

The fourth proportional to 243,129.26, 364,444.47 and 93,329.21 is: 139,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,129.26 : 364,444.47 = 93,329.21 : x
  2. Step 2: Convert to fraction form
    243,129.26/364,444.47 = 93,329.21/x
  3. Step 3: Cross multiply
    243,129.26x = 364,444.47 × 93,329.21
  4. Step 4: Simplify right side
    243,129.26x = 34,013,312,651.75
  5. Step 5: Solve for x
    x = 34,013,312,651.75/243,129.26
  6. Step 6: Final answer
    x = 139,898.07

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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.