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Finding the Fourth Proportional to 124,292.58, 171,525.60 and 67,704

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Solution

The fourth proportional to 124,292.58, 171,525.60 and 67,704 is: 93,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,292.58 : 171,525.60 = 67,704 : x
  2. Step 2: Convert to fraction form
    124,292.58/171,525.60 = 67,704/x
  3. Step 3: Cross multiply
    124,292.58x = 171,525.60 × 67,704
  4. Step 4: Simplify right side
    124,292.58x = 11,612,969,222.40
  5. Step 5: Solve for x
    x = 11,612,969,222.40/124,292.58
  6. Step 6: Final answer
    x = 93,432.52

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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.