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Finding the Fourth Proportional to 119,713.68, 179,515.20 and 35,443.68

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Solution

The fourth proportional to 119,713.68, 179,515.20 and 35,443.68 is: 53,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,713.68 : 179,515.20 = 35,443.68 : x
  2. Step 2: Convert to fraction form
    119,713.68/179,515.20 = 35,443.68/x
  3. Step 3: Cross multiply
    119,713.68x = 179,515.20 × 35,443.68
  4. Step 4: Simplify right side
    119,713.68x = 6,362,679,303.94
  5. Step 5: Solve for x
    x = 6,362,679,303.94/119,713.68
  6. Step 6: Final answer
    x = 53,149.14

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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.