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Finding the Fourth Proportional to 130,412.97, 195,603.12 and 41,659.11

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Solution

The fourth proportional to 130,412.97, 195,603.12 and 41,659.11 is: 62,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,412.97 : 195,603.12 = 41,659.11 : x
  2. Step 2: Convert to fraction form
    130,412.97/195,603.12 = 41,659.11/x
  3. Step 3: Cross multiply
    130,412.97x = 195,603.12 × 41,659.11
  4. Step 4: Simplify right side
    130,412.97x = 8,148,651,892.42
  5. Step 5: Solve for x
    x = 8,148,651,892.42/130,412.97
  6. Step 6: Final answer
    x = 62,483.45

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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.