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Finding the Fourth Proportional to 116,448.66, 160,673.49 and 74,069.46

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Solution

The fourth proportional to 116,448.66, 160,673.49 and 74,069.46 is: 102,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,448.66 : 160,673.49 = 74,069.46 : x
  2. Step 2: Convert to fraction form
    116,448.66/160,673.49 = 74,069.46/x
  3. Step 3: Cross multiply
    116,448.66x = 160,673.49 × 74,069.46
  4. Step 4: Simplify right side
    116,448.66x = 11,900,998,640.62
  5. Step 5: Solve for x
    x = 11,900,998,640.62/116,448.66
  6. Step 6: Final answer
    x = 102,199.53

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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.