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Finding the Fourth Proportional to 232,842.61, 349,254.18 and 66,630.61

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Solution

The fourth proportional to 232,842.61, 349,254.18 and 66,630.61 is: 99,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,842.61 : 349,254.18 = 66,630.61 : x
  2. Step 2: Convert to fraction form
    232,842.61/349,254.18 = 66,630.61/x
  3. Step 3: Cross multiply
    232,842.61x = 349,254.18 × 66,630.61
  4. Step 4: Simplify right side
    232,842.61x = 23,271,019,058.45
  5. Step 5: Solve for x
    x = 23,271,019,058.45/232,842.61
  6. Step 6: Final answer
    x = 99,943.13

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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.