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Finding the Fourth Proportional to 232,029.80, 348,044.70 and 121,207.40

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Solution

The fourth proportional to 232,029.80, 348,044.70 and 121,207.40 is: 181,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,029.80 : 348,044.70 = 121,207.40 : x
  2. Step 2: Convert to fraction form
    232,029.80/348,044.70 = 121,207.40/x
  3. Step 3: Cross multiply
    232,029.80x = 348,044.70 × 121,207.40
  4. Step 4: Simplify right side
    232,029.80x = 42,185,593,170.78
  5. Step 5: Solve for x
    x = 42,185,593,170.78/232,029.80
  6. Step 6: Final answer
    x = 181,811.10

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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.