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Finding the Fourth Proportional to 195,274.76, 292,909.41 and 76,947.13

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Solution

The fourth proportional to 195,274.76, 292,909.41 and 76,947.13 is: 115,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,274.76 : 292,909.41 = 76,947.13 : x
  2. Step 2: Convert to fraction form
    195,274.76/292,909.41 = 76,947.13/x
  3. Step 3: Cross multiply
    195,274.76x = 292,909.41 × 76,947.13
  4. Step 4: Simplify right side
    195,274.76x = 22,538,537,717.22
  5. Step 5: Solve for x
    x = 22,538,537,717.22/195,274.76
  6. Step 6: Final answer
    x = 115,419.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.