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Finding the Fourth Proportional to 240,753.06, 360,932.56 and 90,908.34

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Solution

The fourth proportional to 240,753.06, 360,932.56 and 90,908.34 is: 136,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,753.06 : 360,932.56 = 90,908.34 : x
  2. Step 2: Convert to fraction form
    240,753.06/360,932.56 = 90,908.34/x
  3. Step 3: Cross multiply
    240,753.06x = 360,932.56 × 90,908.34
  4. Step 4: Simplify right side
    240,753.06x = 32,811,779,881.55
  5. Step 5: Solve for x
    x = 32,811,779,881.55/240,753.06
  6. Step 6: Final answer
    x = 136,288.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.