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Finding the Fourth Proportional to 232,561.80, 348,842.70 and 165,639.60

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Solution

The fourth proportional to 232,561.80, 348,842.70 and 165,639.60 is: 248,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,561.80 : 348,842.70 = 165,639.60 : x
  2. Step 2: Convert to fraction form
    232,561.80/348,842.70 = 165,639.60/x
  3. Step 3: Cross multiply
    232,561.80x = 348,842.70 × 165,639.60
  4. Step 4: Simplify right side
    232,561.80x = 57,782,165,290.92
  5. Step 5: Solve for x
    x = 57,782,165,290.92/232,561.80
  6. Step 6: Final answer
    x = 248,459.40

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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.