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Finding the Fourth Proportional to 187,599.52, 258,885.39 and 101,557

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Solution

The fourth proportional to 187,599.52, 258,885.39 and 101,557 is: 140,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,599.52 : 258,885.39 = 101,557 : x
  2. Step 2: Convert to fraction form
    187,599.52/258,885.39 = 101,557/x
  3. Step 3: Cross multiply
    187,599.52x = 258,885.39 × 101,557
  4. Step 4: Simplify right side
    187,599.52x = 26,291,623,552.23
  5. Step 5: Solve for x
    x = 26,291,623,552.23/187,599.52
  6. Step 6: Final answer
    x = 140,147.61

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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.