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Finding the Fourth Proportional to 250,966.80, 376,455.05 and 61,428.82

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Solution

The fourth proportional to 250,966.80, 376,455.05 and 61,428.82 is: 92,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,966.80 : 376,455.05 = 61,428.82 : x
  2. Step 2: Convert to fraction form
    250,966.80/376,455.05 = 61,428.82/x
  3. Step 3: Cross multiply
    250,966.80x = 376,455.05 × 61,428.82
  4. Step 4: Simplify right side
    250,966.80x = 23,125,190,522.46
  5. Step 5: Solve for x
    x = 23,125,190,522.46/250,966.80
  6. Step 6: Final answer
    x = 92,144.42

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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.