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Finding the Fourth Proportional to 109,901.58, 151,663.17 and 62,164.26

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Solution

The fourth proportional to 109,901.58, 151,663.17 and 62,164.26 is: 85,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,901.58 : 151,663.17 = 62,164.26 : x
  2. Step 2: Convert to fraction form
    109,901.58/151,663.17 = 62,164.26/x
  3. Step 3: Cross multiply
    109,901.58x = 151,663.17 × 62,164.26
  4. Step 4: Simplify right side
    109,901.58x = 9,428,028,732.30
  5. Step 5: Solve for x
    x = 9,428,028,732.30/109,901.58
  6. Step 6: Final answer
    x = 85,786.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.