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Finding the Fourth Proportional to 90,581.92, 125,009.04 and 52,348.84

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Solution

The fourth proportional to 90,581.92, 125,009.04 and 52,348.84 is: 72,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,581.92 : 125,009.04 = 52,348.84 : x
  2. Step 2: Convert to fraction form
    90,581.92/125,009.04 = 52,348.84/x
  3. Step 3: Cross multiply
    90,581.92x = 125,009.04 × 52,348.84
  4. Step 4: Simplify right side
    90,581.92x = 6,544,078,233.51
  5. Step 5: Solve for x
    x = 6,544,078,233.51/90,581.92
  6. Step 6: Final answer
    x = 72,244.86

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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.