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Finding the Fourth Proportional to 169,467.80, 233,768.40 and 105,694.88

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Solution

The fourth proportional to 169,467.80, 233,768.40 and 105,694.88 is: 145,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,467.80 : 233,768.40 = 105,694.88 : x
  2. Step 2: Convert to fraction form
    169,467.80/233,768.40 = 105,694.88/x
  3. Step 3: Cross multiply
    169,467.80x = 233,768.40 × 105,694.88
  4. Step 4: Simplify right side
    169,467.80x = 24,708,122,985.79
  5. Step 5: Solve for x
    x = 24,708,122,985.79/169,467.80
  6. Step 6: Final answer
    x = 145,798.33

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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.