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Finding the Fourth Proportional to 68,324.94, 94,332.28 and 42,866.18

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Solution

The fourth proportional to 68,324.94, 94,332.28 and 42,866.18 is: 59,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324.94 : 94,332.28 = 42,866.18 : x
  2. Step 2: Convert to fraction form
    68,324.94/94,332.28 = 42,866.18/x
  3. Step 3: Cross multiply
    68,324.94x = 94,332.28 × 42,866.18
  4. Step 4: Simplify right side
    68,324.94x = 4,043,664,494.29
  5. Step 5: Solve for x
    x = 4,043,664,494.29/68,324.94
  6. Step 6: Final answer
    x = 59,182.85

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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.