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Finding the Fourth Proportional to 134,593.74, 185,806.85 and 104,311.08

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Solution

The fourth proportional to 134,593.74, 185,806.85 and 104,311.08 is: 144,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,593.74 : 185,806.85 = 104,311.08 : x
  2. Step 2: Convert to fraction form
    134,593.74/185,806.85 = 104,311.08/x
  3. Step 3: Cross multiply
    134,593.74x = 185,806.85 × 104,311.08
  4. Step 4: Simplify right side
    134,593.74x = 19,381,712,673.34
  5. Step 5: Solve for x
    x = 19,381,712,673.34/134,593.74
  6. Step 6: Final answer
    x = 144,001.59

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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.