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Finding the Fourth Proportional to 84,169.73, 116,154.17 and 53,955.04

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Solution

The fourth proportional to 84,169.73, 116,154.17 and 53,955.04 is: 74,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,169.73 : 116,154.17 = 53,955.04 : x
  2. Step 2: Convert to fraction form
    84,169.73/116,154.17 = 53,955.04/x
  3. Step 3: Cross multiply
    84,169.73x = 116,154.17 × 53,955.04
  4. Step 4: Simplify right side
    84,169.73x = 6,267,102,037.97
  5. Step 5: Solve for x
    x = 6,267,102,037.97/84,169.73
  6. Step 6: Final answer
    x = 74,457.91

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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.