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Finding the Fourth Proportional to 125,959.74, 173,680.23 and 94,074.78

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Solution

The fourth proportional to 125,959.74, 173,680.23 and 94,074.78 is: 129,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,959.74 : 173,680.23 = 94,074.78 : x
  2. Step 2: Convert to fraction form
    125,959.74/173,680.23 = 94,074.78/x
  3. Step 3: Cross multiply
    125,959.74x = 173,680.23 × 94,074.78
  4. Step 4: Simplify right side
    125,959.74x = 16,338,929,427.60
  5. Step 5: Solve for x
    x = 16,338,929,427.60/125,959.74
  6. Step 6: Final answer
    x = 129,715.49

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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.