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Finding the Fourth Proportional to 126,746.88, 174,924 and 94,860

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Solution

The fourth proportional to 126,746.88, 174,924 and 94,860 is: 130,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,746.88 : 174,924 = 94,860 : x
  2. Step 2: Convert to fraction form
    126,746.88/174,924 = 94,860/x
  3. Step 3: Cross multiply
    126,746.88x = 174,924 × 94,860
  4. Step 4: Simplify right side
    126,746.88x = 16,593,290,640
  5. Step 5: Solve for x
    x = 16,593,290,640/126,746.88
  6. Step 6: Final answer
    x = 130,916.76

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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.