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Finding the Fourth Proportional to 158,653.04, 238,041.87 and 69,844.24

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Solution

The fourth proportional to 158,653.04, 238,041.87 and 69,844.24 is: 104,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,653.04 : 238,041.87 = 69,844.24 : x
  2. Step 2: Convert to fraction form
    158,653.04/238,041.87 = 69,844.24/x
  3. Step 3: Cross multiply
    158,653.04x = 238,041.87 × 69,844.24
  4. Step 4: Simplify right side
    158,653.04x = 16,625,851,958.90
  5. Step 5: Solve for x
    x = 16,625,851,958.90/158,653.04
  6. Step 6: Final answer
    x = 104,793.78

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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.