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Finding the Fourth Proportional to 244,490.90, 366,801.15 and 86,702.90

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Solution

The fourth proportional to 244,490.90, 366,801.15 and 86,702.90 is: 130,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,490.90 : 366,801.15 = 86,702.90 : x
  2. Step 2: Convert to fraction form
    244,490.90/366,801.15 = 86,702.90/x
  3. Step 3: Cross multiply
    244,490.90x = 366,801.15 × 86,702.90
  4. Step 4: Simplify right side
    244,490.90x = 31,802,723,428.34
  5. Step 5: Solve for x
    x = 31,802,723,428.34/244,490.90
  6. Step 6: Final answer
    x = 130,077.33

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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.