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Finding the Fourth Proportional to 96,801.20, 145,201.80 and 34,463.60

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Solution

The fourth proportional to 96,801.20, 145,201.80 and 34,463.60 is: 51,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,801.20 : 145,201.80 = 34,463.60 : x
  2. Step 2: Convert to fraction form
    96,801.20/145,201.80 = 34,463.60/x
  3. Step 3: Cross multiply
    96,801.20x = 145,201.80 × 34,463.60
  4. Step 4: Simplify right side
    96,801.20x = 5,004,176,754.48
  5. Step 5: Solve for x
    x = 5,004,176,754.48/96,801.20
  6. Step 6: Final answer
    x = 51,695.40

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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.