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Finding the Fourth Proportional to 68,320.55, 101,801.62 and 60,867.74

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Solution

The fourth proportional to 68,320.55, 101,801.62 and 60,867.74 is: 90,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.55 : 101,801.62 = 60,867.74 : x
  2. Step 2: Convert to fraction form
    68,320.55/101,801.62 = 60,867.74/x
  3. Step 3: Cross multiply
    68,320.55x = 101,801.62 × 60,867.74
  4. Step 4: Simplify right side
    68,320.55x = 6,196,434,028.73
  5. Step 5: Solve for x
    x = 6,196,434,028.73/68,320.55
  6. Step 6: Final answer
    x = 90,696.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.