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Finding the Fourth Proportional to 183,638.42, 253,422.10 and 101,967.83

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Solution

The fourth proportional to 183,638.42, 253,422.10 and 101,967.83 is: 140,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,638.42 : 253,422.10 = 101,967.83 : x
  2. Step 2: Convert to fraction form
    183,638.42/253,422.10 = 101,967.83/x
  3. Step 3: Cross multiply
    183,638.42x = 253,422.10 × 101,967.83
  4. Step 4: Simplify right side
    183,638.42x = 25,840,901,421.73
  5. Step 5: Solve for x
    x = 25,840,901,421.73/183,638.42
  6. Step 6: Final answer
    x = 140,716.20

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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.