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Finding the Fourth Proportional to 364,139.52, 546,209.28 and 114,840.96

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Solution

The fourth proportional to 364,139.52, 546,209.28 and 114,840.96 is: 172,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,139.52 : 546,209.28 = 114,840.96 : x
  2. Step 2: Convert to fraction form
    364,139.52/546,209.28 = 114,840.96/x
  3. Step 3: Cross multiply
    364,139.52x = 546,209.28 × 114,840.96
  4. Step 4: Simplify right side
    364,139.52x = 62,727,198,076.11
  5. Step 5: Solve for x
    x = 62,727,198,076.11/364,139.52
  6. Step 6: Final answer
    x = 172,261.44

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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.