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Finding the Fourth Proportional to 187,755.30, 259,097.94 and 101,710.80

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Solution

The fourth proportional to 187,755.30, 259,097.94 and 101,710.80 is: 140,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.30 : 259,097.94 = 101,710.80 : x
  2. Step 2: Convert to fraction form
    187,755.30/259,097.94 = 101,710.80/x
  3. Step 3: Cross multiply
    187,755.30x = 259,097.94 × 101,710.80
  4. Step 4: Simplify right side
    187,755.30x = 26,353,058,755.75
  5. Step 5: Solve for x
    x = 26,353,058,755.75/187,755.30
  6. Step 6: Final answer
    x = 140,358.53

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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.