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Finding the Fourth Proportional to 79,598.40, 119,475.84 and 60,702.72

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Solution

The fourth proportional to 79,598.40, 119,475.84 and 60,702.72 is: 91,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,598.40 : 119,475.84 = 60,702.72 : x
  2. Step 2: Convert to fraction form
    79,598.40/119,475.84 = 60,702.72/x
  3. Step 3: Cross multiply
    79,598.40x = 119,475.84 × 60,702.72
  4. Step 4: Simplify right side
    79,598.40x = 7,252,508,462.28
  5. Step 5: Solve for x
    x = 7,252,508,462.28/79,598.40
  6. Step 6: Final answer
    x = 91,113.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.