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Finding the Fourth Proportional to 187,232.88, 258,387 and 102,354.48

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Solution

The fourth proportional to 187,232.88, 258,387 and 102,354.48 is: 141,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,232.88 : 258,387 = 102,354.48 : x
  2. Step 2: Convert to fraction form
    187,232.88/258,387 = 102,354.48/x
  3. Step 3: Cross multiply
    187,232.88x = 258,387 × 102,354.48
  4. Step 4: Simplify right side
    187,232.88x = 26,447,067,023.76
  5. Step 5: Solve for x
    x = 26,447,067,023.76/187,232.88
  6. Step 6: Final answer
    x = 141,252.26

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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.