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Finding the Fourth Proportional to 244,188.15, 366,347.03 and 86,400.15

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Solution

The fourth proportional to 244,188.15, 366,347.03 and 86,400.15 is: 129,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,188.15 : 366,347.03 = 86,400.15 : x
  2. Step 2: Convert to fraction form
    244,188.15/366,347.03 = 86,400.15/x
  3. Step 3: Cross multiply
    244,188.15x = 366,347.03 × 86,400.15
  4. Step 4: Simplify right side
    244,188.15x = 31,652,437,912.05
  5. Step 5: Solve for x
    x = 31,652,437,912.05/244,188.15
  6. Step 6: Final answer
    x = 129,623.15

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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.