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Finding the Fourth Proportional to 187,602.52, 258,889.53 and 101,560

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Solution

The fourth proportional to 187,602.52, 258,889.53 and 101,560 is: 140,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,602.52 : 258,889.53 = 101,560 : x
  2. Step 2: Convert to fraction form
    187,602.52/258,889.53 = 101,560/x
  3. Step 3: Cross multiply
    187,602.52x = 258,889.53 × 101,560
  4. Step 4: Simplify right side
    187,602.52x = 26,292,820,666.80
  5. Step 5: Solve for x
    x = 26,292,820,666.80/187,602.52
  6. Step 6: Final answer
    x = 140,151.75

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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.