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Finding the Fourth Proportional to 150,061.98, 225,092.97 and 61,315.40

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Solution

The fourth proportional to 150,061.98, 225,092.97 and 61,315.40 is: 91,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,061.98 : 225,092.97 = 61,315.40 : x
  2. Step 2: Convert to fraction form
    150,061.98/225,092.97 = 61,315.40/x
  3. Step 3: Cross multiply
    150,061.98x = 225,092.97 × 61,315.40
  4. Step 4: Simplify right side
    150,061.98x = 13,801,665,492.74
  5. Step 5: Solve for x
    x = 13,801,665,492.74/150,061.98
  6. Step 6: Final answer
    x = 91,973.10

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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.