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Finding the Fourth Proportional to 169,228.78, 233,401.18 and 143,819.25

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Solution

The fourth proportional to 169,228.78, 233,401.18 and 143,819.25 is: 198,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,228.78 : 233,401.18 = 143,819.25 : x
  2. Step 2: Convert to fraction form
    169,228.78/233,401.18 = 143,819.25/x
  3. Step 3: Cross multiply
    169,228.78x = 233,401.18 × 143,819.25
  4. Step 4: Simplify right side
    169,228.78x = 33,567,582,656.72
  5. Step 5: Solve for x
    x = 33,567,582,656.72/169,228.78
  6. Step 6: Final answer
    x = 198,356.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.