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Finding the Fourth Proportional to 243,639.03, 365,213.19 and 101,562.96

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Solution

The fourth proportional to 243,639.03, 365,213.19 and 101,562.96 is: 152,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,639.03 : 365,213.19 = 101,562.96 : x
  2. Step 2: Convert to fraction form
    243,639.03/365,213.19 = 101,562.96/x
  3. Step 3: Cross multiply
    243,639.03x = 365,213.19 × 101,562.96
  4. Step 4: Simplify right side
    243,639.03x = 37,092,132,607.44
  5. Step 5: Solve for x
    x = 37,092,132,607.44/243,639.03
  6. Step 6: Final answer
    x = 152,242.16

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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.