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Finding the Fourth Proportional to 244,491.40, 366,801.90 and 86,703.40

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Solution

The fourth proportional to 244,491.40, 366,801.90 and 86,703.40 is: 130,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,491.40 : 366,801.90 = 86,703.40 : x
  2. Step 2: Convert to fraction form
    244,491.40/366,801.90 = 86,703.40/x
  3. Step 3: Cross multiply
    244,491.40x = 366,801.90 × 86,703.40
  4. Step 4: Simplify right side
    244,491.40x = 31,802,971,856.46
  5. Step 5: Solve for x
    x = 31,802,971,856.46/244,491.40
  6. Step 6: Final answer
    x = 130,078.08

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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.