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Finding the Fourth Proportional to 101,541.51, 140,107.41 and 63,793.89

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Solution

The fourth proportional to 101,541.51, 140,107.41 and 63,793.89 is: 88,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,541.51 : 140,107.41 = 63,793.89 : x
  2. Step 2: Convert to fraction form
    101,541.51/140,107.41 = 63,793.89/x
  3. Step 3: Cross multiply
    101,541.51x = 140,107.41 × 63,793.89
  4. Step 4: Simplify right side
    101,541.51x = 8,937,996,701.72
  5. Step 5: Solve for x
    x = 8,937,996,701.72/101,541.51
  6. Step 6: Final answer
    x = 88,023.08

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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.