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Finding the Fourth Proportional to 243,597.48, 364,885.92 and 154,805.28

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Solution

The fourth proportional to 243,597.48, 364,885.92 and 154,805.28 is: 231,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,597.48 : 364,885.92 = 154,805.28 : x
  2. Step 2: Convert to fraction form
    243,597.48/364,885.92 = 154,805.28/x
  3. Step 3: Cross multiply
    243,597.48x = 364,885.92 × 154,805.28
  4. Step 4: Simplify right side
    243,597.48x = 56,486,267,013.66
  5. Step 5: Solve for x
    x = 56,486,267,013.66/243,597.48
  6. Step 6: Final answer
    x = 231,883.63

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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.