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Finding the Fourth Proportional to 183,126.11, 252,126.56 and 142,788.11

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Solution

The fourth proportional to 183,126.11, 252,126.56 and 142,788.11 is: 196,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,126.11 : 252,126.56 = 142,788.11 : x
  2. Step 2: Convert to fraction form
    183,126.11/252,126.56 = 142,788.11/x
  3. Step 3: Cross multiply
    183,126.11x = 252,126.56 × 142,788.11
  4. Step 4: Simplify right side
    183,126.11x = 36,000,674,269.26
  5. Step 5: Solve for x
    x = 36,000,674,269.26/183,126.11
  6. Step 6: Final answer
    x = 196,589.52

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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.