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Finding the Fourth Proportional to 169,574.13, 233,964.32 and 109,179.72

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Solution

The fourth proportional to 169,574.13, 233,964.32 and 109,179.72 is: 150,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,574.13 : 233,964.32 = 109,179.72 : x
  2. Step 2: Convert to fraction form
    169,574.13/233,964.32 = 109,179.72/x
  3. Step 3: Cross multiply
    169,574.13x = 233,964.32 × 109,179.72
  4. Step 4: Simplify right side
    169,574.13x = 25,544,158,401.69
  5. Step 5: Solve for x
    x = 25,544,158,401.69/169,574.13
  6. Step 6: Final answer
    x = 150,637.12

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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.