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Finding the Fourth Proportional to 124,014, 171,158.04 and 75,644.04

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Solution

The fourth proportional to 124,014, 171,158.04 and 75,644.04 is: 104,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,014 : 171,158.04 = 75,644.04 : x
  2. Step 2: Convert to fraction form
    124,014/171,158.04 = 75,644.04/x
  3. Step 3: Cross multiply
    124,014x = 171,158.04 × 75,644.04
  4. Step 4: Simplify right side
    124,014x = 12,947,085,624.08
  5. Step 5: Solve for x
    x = 12,947,085,624.08/124,014
  6. Step 6: Final answer
    x = 104,400.19

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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.