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Finding the Fourth Proportional to 187,615.99, 258,908.25 and 101,572.77

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Solution

The fourth proportional to 187,615.99, 258,908.25 and 101,572.77 is: 140,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,615.99 : 258,908.25 = 101,572.77 : x
  2. Step 2: Convert to fraction form
    187,615.99/258,908.25 = 101,572.77/x
  3. Step 3: Cross multiply
    187,615.99x = 258,908.25 × 101,572.77
  4. Step 4: Simplify right side
    187,615.99x = 26,298,027,620.49
  5. Step 5: Solve for x
    x = 26,298,027,620.49/187,615.99
  6. Step 6: Final answer
    x = 140,169.44

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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.