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Finding the Fourth Proportional to 107,504.64, 148,428.80 and 96,138.88

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Solution

The fourth proportional to 107,504.64, 148,428.80 and 96,138.88 is: 132,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,504.64 : 148,428.80 = 96,138.88 : x
  2. Step 2: Convert to fraction form
    107,504.64/148,428.80 = 96,138.88/x
  3. Step 3: Cross multiply
    107,504.64x = 148,428.80 × 96,138.88
  4. Step 4: Simplify right side
    107,504.64x = 14,269,778,591.74
  5. Step 5: Solve for x
    x = 14,269,778,591.74/107,504.64
  6. Step 6: Final answer
    x = 132,736.40

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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.