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Finding the Fourth Proportional to 96,138.60, 144,078.30 and 64,458.60

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Solution

The fourth proportional to 96,138.60, 144,078.30 and 64,458.60 is: 96,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,138.60 : 144,078.30 = 64,458.60 : x
  2. Step 2: Convert to fraction form
    96,138.60/144,078.30 = 64,458.60/x
  3. Step 3: Cross multiply
    96,138.60x = 144,078.30 × 64,458.60
  4. Step 4: Simplify right side
    96,138.60x = 9,287,085,508.38
  5. Step 5: Solve for x
    x = 9,287,085,508.38/96,138.60
  6. Step 6: Final answer
    x = 96,601.01

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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.