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Finding the Fourth Proportional to 253,248.16, 379,958.94 and 95,521.72

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Solution

The fourth proportional to 253,248.16, 379,958.94 and 95,521.72 is: 143,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,248.16 : 379,958.94 = 95,521.72 : x
  2. Step 2: Convert to fraction form
    253,248.16/379,958.94 = 95,521.72/x
  3. Step 3: Cross multiply
    253,248.16x = 379,958.94 × 95,521.72
  4. Step 4: Simplify right side
    253,248.16x = 36,294,331,478.18
  5. Step 5: Solve for x
    x = 36,294,331,478.18/253,248.16
  6. Step 6: Final answer
    x = 143,315.28

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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.