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Finding the Fourth Proportional to 248,154.54, 372,236.67 and 70,666.11

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Solution

The fourth proportional to 248,154.54, 372,236.67 and 70,666.11 is: 106,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,154.54 : 372,236.67 = 70,666.11 : x
  2. Step 2: Convert to fraction form
    248,154.54/372,236.67 = 70,666.11/x
  3. Step 3: Cross multiply
    248,154.54x = 372,236.67 × 70,666.11
  4. Step 4: Simplify right side
    248,154.54x = 26,304,517,468.25
  5. Step 5: Solve for x
    x = 26,304,517,468.25/248,154.54
  6. Step 6: Final answer
    x = 106,000.55

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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.