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Finding the Fourth Proportional to 94,841.28, 130,877.28 and 51,820.92

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Solution

The fourth proportional to 94,841.28, 130,877.28 and 51,820.92 is: 71,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,841.28 : 130,877.28 = 51,820.92 : x
  2. Step 2: Convert to fraction form
    94,841.28/130,877.28 = 51,820.92/x
  3. Step 3: Cross multiply
    94,841.28x = 130,877.28 × 51,820.92
  4. Step 4: Simplify right side
    94,841.28x = 6,782,181,056.70
  5. Step 5: Solve for x
    x = 6,782,181,056.70/94,841.28
  6. Step 6: Final answer
    x = 71,510.86

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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.