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Finding the Fourth Proportional to 244,603.90, 366,970.65 and 86,815.90

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Solution

The fourth proportional to 244,603.90, 366,970.65 and 86,815.90 is: 130,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,603.90 : 366,970.65 = 86,815.90 : x
  2. Step 2: Convert to fraction form
    244,603.90/366,970.65 = 86,815.90/x
  3. Step 3: Cross multiply
    244,603.90x = 366,970.65 × 86,815.90
  4. Step 4: Simplify right side
    244,603.90x = 31,858,887,253.34
  5. Step 5: Solve for x
    x = 31,858,887,253.34/244,603.90
  6. Step 6: Final answer
    x = 130,246.85

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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.