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Finding the Fourth Proportional to 116,101.71, 160,253.52 and 68,382.60

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Solution

The fourth proportional to 116,101.71, 160,253.52 and 68,382.60 is: 94,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,101.71 : 160,253.52 = 68,382.60 : x
  2. Step 2: Convert to fraction form
    116,101.71/160,253.52 = 68,382.60/x
  3. Step 3: Cross multiply
    116,101.71x = 160,253.52 × 68,382.60
  4. Step 4: Simplify right side
    116,101.71x = 10,958,552,356.75
  5. Step 5: Solve for x
    x = 10,958,552,356.75/116,101.71
  6. Step 6: Final answer
    x = 94,387.52

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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.