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Finding the Fourth Proportional to 235,781.52, 353,737.04 and 69,569.52

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Solution

The fourth proportional to 235,781.52, 353,737.04 and 69,569.52 is: 104,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,781.52 : 353,737.04 = 69,569.52 : x
  2. Step 2: Convert to fraction form
    235,781.52/353,737.04 = 69,569.52/x
  3. Step 3: Cross multiply
    235,781.52x = 353,737.04 × 69,569.52
  4. Step 4: Simplify right side
    235,781.52x = 24,609,316,079.02
  5. Step 5: Solve for x
    x = 24,609,316,079.02/235,781.52
  6. Step 6: Final answer
    x = 104,373.39

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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.