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Finding the Fourth Proportional to 111,058.70, 166,612.35 and 44,482.10

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Solution

The fourth proportional to 111,058.70, 166,612.35 and 44,482.10 is: 66,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,058.70 : 166,612.35 = 44,482.10 : x
  2. Step 2: Convert to fraction form
    111,058.70/166,612.35 = 44,482.10/x
  3. Step 3: Cross multiply
    111,058.70x = 166,612.35 × 44,482.10
  4. Step 4: Simplify right side
    111,058.70x = 7,411,267,213.94
  5. Step 5: Solve for x
    x = 7,411,267,213.94/111,058.70
  6. Step 6: Final answer
    x = 66,732.88

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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.