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Finding the Fourth Proportional to 124,159.64, 171,337.02 and 67,569.80

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Solution

The fourth proportional to 124,159.64, 171,337.02 and 67,569.80 is: 93,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,159.64 : 171,337.02 = 67,569.80 : x
  2. Step 2: Convert to fraction form
    124,159.64/171,337.02 = 67,569.80/x
  3. Step 3: Cross multiply
    124,159.64x = 171,337.02 × 67,569.80
  4. Step 4: Simplify right side
    124,159.64x = 11,577,208,174.00
  5. Step 5: Solve for x
    x = 11,577,208,174.00/124,159.64
  6. Step 6: Final answer
    x = 93,244.54

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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.