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Finding the Fourth Proportional to 240,610.08, 360,790.76 and 105,618.90

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Solution

The fourth proportional to 240,610.08, 360,790.76 and 105,618.90 is: 158,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,610.08 : 360,790.76 = 105,618.90 : x
  2. Step 2: Convert to fraction form
    240,610.08/360,790.76 = 105,618.90/x
  3. Step 3: Cross multiply
    240,610.08x = 360,790.76 × 105,618.90
  4. Step 4: Simplify right side
    240,610.08x = 38,106,323,201.36
  5. Step 5: Solve for x
    x = 38,106,323,201.36/240,610.08
  6. Step 6: Final answer
    x = 158,373.76

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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.