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Finding the Fourth Proportional to 232,639.16, 348,958.86 and 74,867.60

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Solution

The fourth proportional to 232,639.16, 348,958.86 and 74,867.60 is: 112,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,639.16 : 348,958.86 = 74,867.60 : x
  2. Step 2: Convert to fraction form
    232,639.16/348,958.86 = 74,867.60/x
  3. Step 3: Cross multiply
    232,639.16x = 348,958.86 × 74,867.60
  4. Step 4: Simplify right side
    232,639.16x = 26,125,712,346.94
  5. Step 5: Solve for x
    x = 26,125,712,346.94/232,639.16
  6. Step 6: Final answer
    x = 112,301.44

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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.