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Finding the Fourth Proportional to 502,644.48, 753,966.24 and 128,666.88

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Solution

The fourth proportional to 502,644.48, 753,966.24 and 128,666.88 is: 193,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,644.48 : 753,966.24 = 128,666.88 : x
  2. Step 2: Convert to fraction form
    502,644.48/753,966.24 = 128,666.88/x
  3. Step 3: Cross multiply
    502,644.48x = 753,966.24 × 128,666.88
  4. Step 4: Simplify right side
    502,644.48x = 97,010,483,726.13
  5. Step 5: Solve for x
    x = 97,010,483,726.13/502,644.48
  6. Step 6: Final answer
    x = 193,000.20

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