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Finding the Fourth Proportional to 186,870.76, 280,350.79 and 60,511.14

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Solution

The fourth proportional to 186,870.76, 280,350.79 and 60,511.14 is: 90,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,870.76 : 280,350.79 = 60,511.14 : x
  2. Step 2: Convert to fraction form
    186,870.76/280,350.79 = 60,511.14/x
  3. Step 3: Cross multiply
    186,870.76x = 280,350.79 × 60,511.14
  4. Step 4: Simplify right side
    186,870.76x = 16,964,345,751.52
  5. Step 5: Solve for x
    x = 16,964,345,751.52/186,870.76
  6. Step 6: Final answer
    x = 90,781.17

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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.