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Finding the Fourth Proportional to 101,397.40, 152,014.06 and 61,941.18

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Solution

The fourth proportional to 101,397.40, 152,014.06 and 61,941.18 is: 92,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,397.40 : 152,014.06 = 61,941.18 : x
  2. Step 2: Convert to fraction form
    101,397.40/152,014.06 = 61,941.18/x
  3. Step 3: Cross multiply
    101,397.40x = 152,014.06 × 61,941.18
  4. Step 4: Simplify right side
    101,397.40x = 9,415,930,098.14
  5. Step 5: Solve for x
    x = 9,415,930,098.14/101,397.40
  6. Step 6: Final answer
    x = 92,861.65

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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.