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Finding the Fourth Proportional to 79,822.63, 110,171.19 and 45,854.42

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Solution

The fourth proportional to 79,822.63, 110,171.19 and 45,854.42 is: 63,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,822.63 : 110,171.19 = 45,854.42 : x
  2. Step 2: Convert to fraction form
    79,822.63/110,171.19 = 45,854.42/x
  3. Step 3: Cross multiply
    79,822.63x = 110,171.19 × 45,854.42
  4. Step 4: Simplify right side
    79,822.63x = 5,051,835,639.26
  5. Step 5: Solve for x
    x = 5,051,835,639.26/79,822.63
  6. Step 6: Final answer
    x = 63,288.26

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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.