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Finding the Fourth Proportional to 229,737.88, 317,038.47 and 127,761.10

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Solution

The fourth proportional to 229,737.88, 317,038.47 and 127,761.10 is: 176,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,737.88 : 317,038.47 = 127,761.10 : x
  2. Step 2: Convert to fraction form
    229,737.88/317,038.47 = 127,761.10/x
  3. Step 3: Cross multiply
    229,737.88x = 317,038.47 × 127,761.10
  4. Step 4: Simplify right side
    229,737.88x = 40,505,183,669.52
  5. Step 5: Solve for x
    x = 40,505,183,669.52/229,737.88
  6. Step 6: Final answer
    x = 176,310.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.