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Finding the Fourth Proportional to 187,724.60, 259,058.60 and 101,681.64

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Solution

The fourth proportional to 187,724.60, 259,058.60 and 101,681.64 is: 140,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,724.60 : 259,058.60 = 101,681.64 : x
  2. Step 2: Convert to fraction form
    187,724.60/259,058.60 = 101,681.64/x
  3. Step 3: Cross multiply
    187,724.60x = 259,058.60 × 101,681.64
  4. Step 4: Simplify right side
    187,724.60x = 26,341,503,304.10
  5. Step 5: Solve for x
    x = 26,341,503,304.10/187,724.60
  6. Step 6: Final answer
    x = 140,319.93

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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.