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Finding the Fourth Proportional to 160,787.52, 241,104.60 and 72,041.76

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Solution

The fourth proportional to 160,787.52, 241,104.60 and 72,041.76 is: 108,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,787.52 : 241,104.60 = 72,041.76 : x
  2. Step 2: Convert to fraction form
    160,787.52/241,104.60 = 72,041.76/x
  3. Step 3: Cross multiply
    160,787.52x = 241,104.60 × 72,041.76
  4. Step 4: Simplify right side
    160,787.52x = 17,369,599,728.10
  5. Step 5: Solve for x
    x = 17,369,599,728.10/160,787.52
  6. Step 6: Final answer
    x = 108,028.28

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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.