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Finding the Fourth Proportional to 84,767.44, 117,001.92 and 52,917.16

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Solution

The fourth proportional to 84,767.44, 117,001.92 and 52,917.16 is: 73,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,767.44 : 117,001.92 = 52,917.16 : x
  2. Step 2: Convert to fraction form
    84,767.44/117,001.92 = 52,917.16/x
  3. Step 3: Cross multiply
    84,767.44x = 117,001.92 × 52,917.16
  4. Step 4: Simplify right side
    84,767.44x = 6,191,409,320.95
  5. Step 5: Solve for x
    x = 6,191,409,320.95/84,767.44
  6. Step 6: Final answer
    x = 73,039.95

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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.