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Finding the Fourth Proportional to 244,538.55, 366,917.18 and 86,880.15

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Solution

The fourth proportional to 244,538.55, 366,917.18 and 86,880.15 is: 130,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,538.55 : 366,917.18 = 86,880.15 : x
  2. Step 2: Convert to fraction form
    244,538.55/366,917.18 = 86,880.15/x
  3. Step 3: Cross multiply
    244,538.55x = 366,917.18 × 86,880.15
  4. Step 4: Simplify right side
    244,538.55x = 31,877,819,201.58
  5. Step 5: Solve for x
    x = 31,877,819,201.58/244,538.55
  6. Step 6: Final answer
    x = 130,359.08

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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.