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Finding the Fourth Proportional to 187,602.42, 258,890.15 and 101,560.77

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Solution

The fourth proportional to 187,602.42, 258,890.15 and 101,560.77 is: 140,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,602.42 : 258,890.15 = 101,560.77 : x
  2. Step 2: Convert to fraction form
    187,602.42/258,890.15 = 101,560.77/x
  3. Step 3: Cross multiply
    187,602.42x = 258,890.15 × 101,560.77
  4. Step 4: Simplify right side
    187,602.42x = 26,293,083,372.74
  5. Step 5: Solve for x
    x = 26,293,083,372.74/187,602.42
  6. Step 6: Final answer
    x = 140,153.22

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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.