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Finding the Fourth Proportional to 169,343.70, 233,719.85 and 108,116.05

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Solution

The fourth proportional to 169,343.70, 233,719.85 and 108,116.05 is: 149,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,343.70 : 233,719.85 = 108,116.05 : x
  2. Step 2: Convert to fraction form
    169,343.70/233,719.85 = 108,116.05/x
  3. Step 3: Cross multiply
    169,343.70x = 233,719.85 × 108,116.05
  4. Step 4: Simplify right side
    169,343.70x = 25,268,866,674.58
  5. Step 5: Solve for x
    x = 25,268,866,674.58/169,343.70
  6. Step 6: Final answer
    x = 149,216.46

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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.