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Finding the Fourth Proportional to 97,144.96, 134,060.55 and 56,850.88

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Solution

The fourth proportional to 97,144.96, 134,060.55 and 56,850.88 is: 78,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,144.96 : 134,060.55 = 56,850.88 : x
  2. Step 2: Convert to fraction form
    97,144.96/134,060.55 = 56,850.88/x
  3. Step 3: Cross multiply
    97,144.96x = 134,060.55 × 56,850.88
  4. Step 4: Simplify right side
    97,144.96x = 7,621,460,240.78
  5. Step 5: Solve for x
    x = 7,621,460,240.78/97,144.96
  6. Step 6: Final answer
    x = 78,454.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.