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Finding the Fourth Proportional to 244,009.70, 366,014.55 and 86,243.30

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Solution

The fourth proportional to 244,009.70, 366,014.55 and 86,243.30 is: 129,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,009.70 : 366,014.55 = 86,243.30 : x
  2. Step 2: Convert to fraction form
    244,009.70/366,014.55 = 86,243.30/x
  3. Step 3: Cross multiply
    244,009.70x = 366,014.55 × 86,243.30
  4. Step 4: Simplify right side
    244,009.70x = 31,566,302,640.02
  5. Step 5: Solve for x
    x = 31,566,302,640.02/244,009.70
  6. Step 6: Final answer
    x = 129,364.95

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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.