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Finding the Fourth Proportional to 376,611, 564,915.98 and 96,128.28

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Solution

The fourth proportional to 376,611, 564,915.98 and 96,128.28 is: 144,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,611 : 564,915.98 = 96,128.28 : x
  2. Step 2: Convert to fraction form
    376,611/564,915.98 = 96,128.28/x
  3. Step 3: Cross multiply
    376,611x = 564,915.98 × 96,128.28
  4. Step 4: Simplify right side
    376,611x = 54,304,401,501.91
  5. Step 5: Solve for x
    x = 54,304,401,501.91/376,611
  6. Step 6: Final answer
    x = 144,192.29

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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.