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Finding the Fourth Proportional to 124,539.64, 171,865.26 and 67,952.20

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Solution

The fourth proportional to 124,539.64, 171,865.26 and 67,952.20 is: 93,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,539.64 : 171,865.26 = 67,952.20 : x
  2. Step 2: Convert to fraction form
    124,539.64/171,865.26 = 67,952.20/x
  3. Step 3: Cross multiply
    124,539.64x = 171,865.26 × 67,952.20
  4. Step 4: Simplify right side
    124,539.64x = 11,678,622,520.57
  5. Step 5: Solve for x
    x = 11,678,622,520.57/124,539.64
  6. Step 6: Final answer
    x = 93,774.34

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1.5x scale

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.