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Finding the Fourth Proportional to 160,402.88, 240,603.24 and 125,372

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Solution

The fourth proportional to 160,402.88, 240,603.24 and 125,372 is: 188,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,402.88 : 240,603.24 = 125,372 : x
  2. Step 2: Convert to fraction form
    160,402.88/240,603.24 = 125,372/x
  3. Step 3: Cross multiply
    160,402.88x = 240,603.24 × 125,372
  4. Step 4: Simplify right side
    160,402.88x = 30,164,909,405.28
  5. Step 5: Solve for x
    x = 30,164,909,405.28/160,402.88
  6. Step 6: Final answer
    x = 188,057.16

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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.