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Finding the Fourth Proportional to 127,516.08, 175,969.08 and 73,793.64

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Solution

The fourth proportional to 127,516.08, 175,969.08 and 73,793.64 is: 101,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.08 : 175,969.08 = 73,793.64 : x
  2. Step 2: Convert to fraction form
    127,516.08/175,969.08 = 73,793.64/x
  3. Step 3: Cross multiply
    127,516.08x = 175,969.08 × 73,793.64
  4. Step 4: Simplify right side
    127,516.08x = 12,985,398,940.65
  5. Step 5: Solve for x
    x = 12,985,398,940.65/127,516.08
  6. Step 6: Final answer
    x = 101,833.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.