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Finding the Fourth Proportional to 244,191.68, 366,288.48 and 86,420.16

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Solution

The fourth proportional to 244,191.68, 366,288.48 and 86,420.16 is: 129,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,191.68 : 366,288.48 = 86,420.16 : x
  2. Step 2: Convert to fraction form
    244,191.68/366,288.48 = 86,420.16/x
  3. Step 3: Cross multiply
    244,191.68x = 366,288.48 × 86,420.16
  4. Step 4: Simplify right side
    244,191.68x = 31,654,709,047.76
  5. Step 5: Solve for x
    x = 31,654,709,047.76/244,191.68
  6. Step 6: Final answer
    x = 129,630.58

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1.5x scale

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.