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Finding the Fourth Proportional to 67,002.28, 100,904.71 and 61,023.58

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Solution

The fourth proportional to 67,002.28, 100,904.71 and 61,023.58 is: 91,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,002.28 : 100,904.71 = 61,023.58 : x
  2. Step 2: Convert to fraction form
    67,002.28/100,904.71 = 61,023.58/x
  3. Step 3: Cross multiply
    67,002.28x = 100,904.71 × 61,023.58
  4. Step 4: Simplify right side
    67,002.28x = 6,157,566,643.06
  5. Step 5: Solve for x
    x = 6,157,566,643.06/67,002.28
  6. Step 6: Final answer
    x = 91,900.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.