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Finding the Fourth Proportional to 169,472.75, 254,210.57 and 43,113.11

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Solution

The fourth proportional to 169,472.75, 254,210.57 and 43,113.11 is: 64,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,472.75 : 254,210.57 = 43,113.11 : x
  2. Step 2: Convert to fraction form
    169,472.75/254,210.57 = 43,113.11/x
  3. Step 3: Cross multiply
    169,472.75x = 254,210.57 × 43,113.11
  4. Step 4: Simplify right side
    169,472.75x = 10,959,806,780.95
  5. Step 5: Solve for x
    x = 10,959,806,780.95/169,472.75
  6. Step 6: Final answer
    x = 64,670.03

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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.