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Finding the Fourth Proportional to 185,940.64, 278,929.38 and 59,549.08

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Solution

The fourth proportional to 185,940.64, 278,929.38 and 59,549.08 is: 89,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,940.64 : 278,929.38 = 59,549.08 : x
  2. Step 2: Convert to fraction form
    185,940.64/278,929.38 = 59,549.08/x
  3. Step 3: Cross multiply
    185,940.64x = 278,929.38 × 59,549.08
  4. Step 4: Simplify right side
    185,940.64x = 16,609,987,963.97
  5. Step 5: Solve for x
    x = 16,609,987,963.97/185,940.64
  6. Step 6: Final answer
    x = 89,329.52

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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.