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Finding the Fourth Proportional to 176,702.70, 243,844.17 and 96,128.15

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Solution

The fourth proportional to 176,702.70, 243,844.17 and 96,128.15 is: 132,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,702.70 : 243,844.17 = 96,128.15 : x
  2. Step 2: Convert to fraction form
    176,702.70/243,844.17 = 96,128.15/x
  3. Step 3: Cross multiply
    176,702.70x = 243,844.17 × 96,128.15
  4. Step 4: Simplify right side
    176,702.70x = 23,440,287,731.16
  5. Step 5: Solve for x
    x = 23,440,287,731.16/176,702.70
  6. Step 6: Final answer
    x = 132,653.82

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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.