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Finding the Fourth Proportional to 232,274.30, 348,411.45 and 66,040.70

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Solution

The fourth proportional to 232,274.30, 348,411.45 and 66,040.70 is: 99,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,274.30 : 348,411.45 = 66,040.70 : x
  2. Step 2: Convert to fraction form
    232,274.30/348,411.45 = 66,040.70/x
  3. Step 3: Cross multiply
    232,274.30x = 348,411.45 × 66,040.70
  4. Step 4: Simplify right side
    232,274.30x = 23,009,336,046.02
  5. Step 5: Solve for x
    x = 23,009,336,046.02/232,274.30
  6. Step 6: Final answer
    x = 99,061.05

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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.