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Finding the Fourth Proportional to 123,759.10, 185,310.60 and 97,515.10

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Solution

The fourth proportional to 123,759.10, 185,310.60 and 97,515.10 is: 146,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,759.10 : 185,310.60 = 97,515.10 : x
  2. Step 2: Convert to fraction form
    123,759.10/185,310.60 = 97,515.10/x
  3. Step 3: Cross multiply
    123,759.10x = 185,310.60 × 97,515.10
  4. Step 4: Simplify right side
    123,759.10x = 18,070,581,690.06
  5. Step 5: Solve for x
    x = 18,070,581,690.06/123,759.10
  6. Step 6: Final answer
    x = 146,014.17

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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.