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Finding the Fourth Proportional to 232,219.64, 348,378.72 and 74,558.84

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Solution

The fourth proportional to 232,219.64, 348,378.72 and 74,558.84 is: 111,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,219.64 : 348,378.72 = 74,558.84 : x
  2. Step 2: Convert to fraction form
    232,219.64/348,378.72 = 74,558.84/x
  3. Step 3: Cross multiply
    232,219.64x = 348,378.72 × 74,558.84
  4. Step 4: Simplify right side
    232,219.64x = 25,974,713,243.88
  5. Step 5: Solve for x
    x = 25,974,713,243.88/232,219.64
  6. Step 6: Final answer
    x = 111,854.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.