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Finding the Fourth Proportional to 185,654.52, 278,483.28 and 52,539.12

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Solution

The fourth proportional to 185,654.52, 278,483.28 and 52,539.12 is: 78,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,654.52 : 278,483.28 = 52,539.12 : x
  2. Step 2: Convert to fraction form
    185,654.52/278,483.28 = 52,539.12/x
  3. Step 3: Cross multiply
    185,654.52x = 278,483.28 × 52,539.12
  4. Step 4: Simplify right side
    185,654.52x = 14,631,266,465.91
  5. Step 5: Solve for x
    x = 14,631,266,465.91/185,654.52
  6. Step 6: Final answer
    x = 78,809.10

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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.