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Finding the Fourth Proportional to 219,544.80, 302,967.88 and 124,049.48

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Solution

The fourth proportional to 219,544.80, 302,967.88 and 124,049.48 is: 171,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,544.80 : 302,967.88 = 124,049.48 : x
  2. Step 2: Convert to fraction form
    219,544.80/302,967.88 = 124,049.48/x
  3. Step 3: Cross multiply
    219,544.80x = 302,967.88 × 124,049.48
  4. Step 4: Simplify right side
    219,544.80x = 37,583,007,970.70
  5. Step 5: Solve for x
    x = 37,583,007,970.70/219,544.80
  6. Step 6: Final answer
    x = 171,186.05

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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.