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Finding the Fourth Proportional to 124,614.52, 171,968.57 and 68,027.11

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Solution

The fourth proportional to 124,614.52, 171,968.57 and 68,027.11 is: 93,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.52 : 171,968.57 = 68,027.11 : x
  2. Step 2: Convert to fraction form
    124,614.52/171,968.57 = 68,027.11/x
  3. Step 3: Cross multiply
    124,614.52x = 171,968.57 × 68,027.11
  4. Step 4: Simplify right side
    124,614.52x = 11,698,524,312.98
  5. Step 5: Solve for x
    x = 11,698,524,312.98/124,614.52
  6. Step 6: Final answer
    x = 93,877.70

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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.