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Finding the Fourth Proportional to 64,150, 88,507.56 and 44,768.40

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Solution

The fourth proportional to 64,150, 88,507.56 and 44,768.40 is: 61,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,150 : 88,507.56 = 44,768.40 : x
  2. Step 2: Convert to fraction form
    64,150/88,507.56 = 44,768.40/x
  3. Step 3: Cross multiply
    64,150x = 88,507.56 × 44,768.40
  4. Step 4: Simplify right side
    64,150x = 3,962,341,849.10
  5. Step 5: Solve for x
    x = 3,962,341,849.10/64,150
  6. Step 6: Final answer
    x = 61,766.83

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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.