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Finding the Fourth Proportional to 152,179.65, 210,053.13 and 98,463.30

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Solution

The fourth proportional to 152,179.65, 210,053.13 and 98,463.30 is: 135,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,179.65 : 210,053.13 = 98,463.30 : x
  2. Step 2: Convert to fraction form
    152,179.65/210,053.13 = 98,463.30/x
  3. Step 3: Cross multiply
    152,179.65x = 210,053.13 × 98,463.30
  4. Step 4: Simplify right side
    152,179.65x = 20,682,524,355.13
  5. Step 5: Solve for x
    x = 20,682,524,355.13/152,179.65
  6. Step 6: Final answer
    x = 135,908.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.