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Finding the Fourth Proportional to 94,652.80, 130,627.20 and 54,379.68

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Solution

The fourth proportional to 94,652.80, 130,627.20 and 54,379.68 is: 75,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,652.80 : 130,627.20 = 54,379.68 : x
  2. Step 2: Convert to fraction form
    94,652.80/130,627.20 = 54,379.68/x
  3. Step 3: Cross multiply
    94,652.80x = 130,627.20 × 54,379.68
  4. Step 4: Simplify right side
    94,652.80x = 7,103,465,335.30
  5. Step 5: Solve for x
    x = 7,103,465,335.30/94,652.80
  6. Step 6: Final answer
    x = 75,047.60

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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.