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Finding the Fourth Proportional to 124,252.65, 171,470.61 and 67,663.98

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Solution

The fourth proportional to 124,252.65, 171,470.61 and 67,663.98 is: 93,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,252.65 : 171,470.61 = 67,663.98 : x
  2. Step 2: Convert to fraction form
    124,252.65/171,470.61 = 67,663.98/x
  3. Step 3: Cross multiply
    124,252.65x = 171,470.61 × 67,663.98
  4. Step 4: Simplify right side
    124,252.65x = 11,602,383,925.63
  5. Step 5: Solve for x
    x = 11,602,383,925.63/124,252.65
  6. Step 6: Final answer
    x = 93,377.36

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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.