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Finding the Fourth Proportional to 244,247.40, 366,435.90 and 86,459.40

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Solution

The fourth proportional to 244,247.40, 366,435.90 and 86,459.40 is: 129,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,247.40 : 366,435.90 = 86,459.40 : x
  2. Step 2: Convert to fraction form
    244,247.40/366,435.90 = 86,459.40/x
  3. Step 3: Cross multiply
    244,247.40x = 366,435.90 × 86,459.40
  4. Step 4: Simplify right side
    244,247.40x = 31,681,828,052.46
  5. Step 5: Solve for x
    x = 31,681,828,052.46/244,247.40
  6. Step 6: Final answer
    x = 129,712.04

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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.