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Finding the Fourth Proportional to 95,918.40, 144,007.20 and 60,926.40

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Solution

The fourth proportional to 95,918.40, 144,007.20 and 60,926.40 is: 91,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,918.40 : 144,007.20 = 60,926.40 : x
  2. Step 2: Convert to fraction form
    95,918.40/144,007.20 = 60,926.40/x
  3. Step 3: Cross multiply
    95,918.40x = 144,007.20 × 60,926.40
  4. Step 4: Simplify right side
    95,918.40x = 8,773,840,270.08
  5. Step 5: Solve for x
    x = 8,773,840,270.08/95,918.40
  6. Step 6: Final answer
    x = 91,471.92

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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.