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Finding the Fourth Proportional to 126,092, 174,006.96 and 69,504.60

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Solution

The fourth proportional to 126,092, 174,006.96 and 69,504.60 is: 95,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,092 : 174,006.96 = 69,504.60 : x
  2. Step 2: Convert to fraction form
    126,092/174,006.96 = 69,504.60/x
  3. Step 3: Cross multiply
    126,092x = 174,006.96 × 69,504.60
  4. Step 4: Simplify right side
    126,092x = 12,094,284,152.02
  5. Step 5: Solve for x
    x = 12,094,284,152.02/126,092
  6. Step 6: Final answer
    x = 95,916.35

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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.