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Finding the Fourth Proportional to 94,039.20, 132,004.80 and 94,039.20

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Solution

The fourth proportional to 94,039.20, 132,004.80 and 94,039.20 is: 132,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,039.20 : 132,004.80 = 94,039.20 : x
  2. Step 2: Convert to fraction form
    94,039.20/132,004.80 = 94,039.20/x
  3. Step 3: Cross multiply
    94,039.20x = 132,004.80 × 94,039.20
  4. Step 4: Simplify right side
    94,039.20x = 12,413,625,788.16
  5. Step 5: Solve for x
    x = 12,413,625,788.16/94,039.20
  6. Step 6: Final answer
    x = 132,004.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.