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Finding the Fourth Proportional to 126,092.80, 174,007.16 and 69,504.08

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Solution

The fourth proportional to 126,092.80, 174,007.16 and 69,504.08 is: 95,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,092.80 : 174,007.16 = 69,504.08 : x
  2. Step 2: Convert to fraction form
    126,092.80/174,007.16 = 69,504.08/x
  3. Step 3: Cross multiply
    126,092.80x = 174,007.16 × 69,504.08
  4. Step 4: Simplify right side
    126,092.80x = 12,094,207,569.21
  5. Step 5: Solve for x
    x = 12,094,207,569.21/126,092.80
  6. Step 6: Final answer
    x = 95,915.13

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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.