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Finding the Fourth Proportional to 372,035.97, 557,726.51 and 147,554.01

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Solution

The fourth proportional to 372,035.97, 557,726.51 and 147,554.01 is: 221,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,035.97 : 557,726.51 = 147,554.01 : x
  2. Step 2: Convert to fraction form
    372,035.97/557,726.51 = 147,554.01/x
  3. Step 3: Cross multiply
    372,035.97x = 557,726.51 × 147,554.01
  4. Step 4: Simplify right side
    372,035.97x = 82,294,782,296.04
  5. Step 5: Solve for x
    x = 82,294,782,296.04/372,035.97
  6. Step 6: Final answer
    x = 221,201.14

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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.