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Finding the Fourth Proportional to 81,652.96, 112,678.19 and 45,844.48

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Solution

The fourth proportional to 81,652.96, 112,678.19 and 45,844.48 is: 63,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.96 : 112,678.19 = 45,844.48 : x
  2. Step 2: Convert to fraction form
    81,652.96/112,678.19 = 45,844.48/x
  3. Step 3: Cross multiply
    81,652.96x = 112,678.19 × 45,844.48
  4. Step 4: Simplify right side
    81,652.96x = 5,165,673,283.35
  5. Step 5: Solve for x
    x = 5,165,673,283.35/81,652.96
  6. Step 6: Final answer
    x = 63,263.76

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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.