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Finding the Fourth Proportional to 94,279.98, 130,134.50 and 62,039.46

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Solution

The fourth proportional to 94,279.98, 130,134.50 and 62,039.46 is: 85,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,279.98 : 130,134.50 = 62,039.46 : x
  2. Step 2: Convert to fraction form
    94,279.98/130,134.50 = 62,039.46/x
  3. Step 3: Cross multiply
    94,279.98x = 130,134.50 × 62,039.46
  4. Step 4: Simplify right side
    94,279.98x = 8,073,473,797.17
  5. Step 5: Solve for x
    x = 8,073,473,797.17/94,279.98
  6. Step 6: Final answer
    x = 85,632.96

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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.