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Finding the Fourth Proportional to 187,513.66, 258,767.91 and 101,472.58

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Solution

The fourth proportional to 187,513.66, 258,767.91 and 101,472.58 is: 140,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.66 : 258,767.91 = 101,472.58 : x
  2. Step 2: Convert to fraction form
    187,513.66/258,767.91 = 101,472.58/x
  3. Step 3: Cross multiply
    187,513.66x = 258,767.91 × 101,472.58
  4. Step 4: Simplify right side
    187,513.66x = 26,257,847,448.91
  5. Step 5: Solve for x
    x = 26,257,847,448.91/187,513.66
  6. Step 6: Final answer
    x = 140,031.65

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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.