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Finding the Fourth Proportional to 152,737.78, 229,127.51 and 88,726

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Solution

The fourth proportional to 152,737.78, 229,127.51 and 88,726 is: 133,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,737.78 : 229,127.51 = 88,726 : x
  2. Step 2: Convert to fraction form
    152,737.78/229,127.51 = 88,726/x
  3. Step 3: Cross multiply
    152,737.78x = 229,127.51 × 88,726
  4. Step 4: Simplify right side
    152,737.78x = 20,329,567,452.26
  5. Step 5: Solve for x
    x = 20,329,567,452.26/152,737.78
  6. Step 6: Final answer
    x = 133,101.11

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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.