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Finding the Fourth Proportional to 187,722.59, 259,055.84 and 101,679.63

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Solution

The fourth proportional to 187,722.59, 259,055.84 and 101,679.63 is: 140,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,722.59 : 259,055.84 = 101,679.63 : x
  2. Step 2: Convert to fraction form
    187,722.59/259,055.84 = 101,679.63/x
  3. Step 3: Cross multiply
    187,722.59x = 259,055.84 × 101,679.63
  4. Step 4: Simplify right side
    187,722.59x = 26,340,701,452.14
  5. Step 5: Solve for x
    x = 26,340,701,452.14/187,722.59
  6. Step 6: Final answer
    x = 140,317.16

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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.