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Finding the Fourth Proportional to 150,060.98, 225,091.47 and 61,314.40

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Solution

The fourth proportional to 150,060.98, 225,091.47 and 61,314.40 is: 91,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,060.98 : 225,091.47 = 61,314.40 : x
  2. Step 2: Convert to fraction form
    150,060.98/225,091.47 = 61,314.40/x
  3. Step 3: Cross multiply
    150,060.98x = 225,091.47 × 61,314.40
  4. Step 4: Simplify right side
    150,060.98x = 13,801,348,594.57
  5. Step 5: Solve for x
    x = 13,801,348,594.57/150,060.98
  6. Step 6: Final answer
    x = 91,971.60

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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.