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Finding the Fourth Proportional to 144,659.36, 199,583.78 and 93,711.15

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Solution

The fourth proportional to 144,659.36, 199,583.78 and 93,711.15 is: 129,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,659.36 : 199,583.78 = 93,711.15 : x
  2. Step 2: Convert to fraction form
    144,659.36/199,583.78 = 93,711.15/x
  3. Step 3: Cross multiply
    144,659.36x = 199,583.78 × 93,711.15
  4. Step 4: Simplify right side
    144,659.36x = 18,703,225,545.15
  5. Step 5: Solve for x
    x = 18,703,225,545.15/144,659.36
  6. Step 6: Final answer
    x = 129,291.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.