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Finding the Fourth Proportional to 244,572.30, 366,858.45 and 86,816.70

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Solution

The fourth proportional to 244,572.30, 366,858.45 and 86,816.70 is: 130,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,572.30 : 366,858.45 = 86,816.70 : x
  2. Step 2: Convert to fraction form
    244,572.30/366,858.45 = 86,816.70/x
  3. Step 3: Cross multiply
    244,572.30x = 366,858.45 × 86,816.70
  4. Step 4: Simplify right side
    244,572.30x = 31,849,439,996.12
  5. Step 5: Solve for x
    x = 31,849,439,996.12/244,572.30
  6. Step 6: Final answer
    x = 130,225.05

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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.