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Finding the Fourth Proportional to 113,044.40, 169,650.84 and 43,060.40

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Solution

The fourth proportional to 113,044.40, 169,650.84 and 43,060.40 is: 64,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,044.40 : 169,650.84 = 43,060.40 : x
  2. Step 2: Convert to fraction form
    113,044.40/169,650.84 = 43,060.40/x
  3. Step 3: Cross multiply
    113,044.40x = 169,650.84 × 43,060.40
  4. Step 4: Simplify right side
    113,044.40x = 7,305,233,030.74
  5. Step 5: Solve for x
    x = 7,305,233,030.74/113,044.40
  6. Step 6: Final answer
    x = 64,622.69

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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.