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Finding the Fourth Proportional to 186,843.76, 280,307.88 and 62,189.68

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Solution

The fourth proportional to 186,843.76, 280,307.88 and 62,189.68 is: 93,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,843.76 : 280,307.88 = 62,189.68 : x
  2. Step 2: Convert to fraction form
    186,843.76/280,307.88 = 62,189.68/x
  3. Step 3: Cross multiply
    186,843.76x = 280,307.88 × 62,189.68
  4. Step 4: Simplify right side
    186,843.76x = 17,432,257,358.68
  5. Step 5: Solve for x
    x = 17,432,257,358.68/186,843.76
  6. Step 6: Final answer
    x = 93,298.58

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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.