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Finding the Fourth Proportional to 169,215.52, 233,411.48 and 108,864.72

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Solution

The fourth proportional to 169,215.52, 233,411.48 and 108,864.72 is: 150,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,215.52 : 233,411.48 = 108,864.72 : x
  2. Step 2: Convert to fraction form
    169,215.52/233,411.48 = 108,864.72/x
  3. Step 3: Cross multiply
    169,215.52x = 233,411.48 × 108,864.72
  4. Step 4: Simplify right side
    169,215.52x = 25,410,275,414.99
  5. Step 5: Solve for x
    x = 25,410,275,414.99/169,215.52
  6. Step 6: Final answer
    x = 150,165.16

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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.