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Finding the Fourth Proportional to 94,118.68, 129,883.98 and 51,679.90

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Solution

The fourth proportional to 94,118.68, 129,883.98 and 51,679.90 is: 71,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,118.68 : 129,883.98 = 51,679.90 : x
  2. Step 2: Convert to fraction form
    94,118.68/129,883.98 = 51,679.90/x
  3. Step 3: Cross multiply
    94,118.68x = 129,883.98 × 51,679.90
  4. Step 4: Simplify right side
    94,118.68x = 6,712,391,098.00
  5. Step 5: Solve for x
    x = 6,712,391,098.00/94,118.68
  6. Step 6: Final answer
    x = 71,318.37

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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.