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Finding the Fourth Proportional to 169,437.42, 254,148.44 and 74,642.24

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Solution

The fourth proportional to 169,437.42, 254,148.44 and 74,642.24 is: 111,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,437.42 : 254,148.44 = 74,642.24 : x
  2. Step 2: Convert to fraction form
    169,437.42/254,148.44 = 74,642.24/x
  3. Step 3: Cross multiply
    169,437.42x = 254,148.44 × 74,642.24
  4. Step 4: Simplify right side
    169,437.42x = 18,970,209,116.27
  5. Step 5: Solve for x
    x = 18,970,209,116.27/169,437.42
  6. Step 6: Final answer
    x = 111,959.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.