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Finding the Fourth Proportional to 94,337.78, 130,163.60 and 63,767.88

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Solution

The fourth proportional to 94,337.78, 130,163.60 and 63,767.88 is: 87,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,337.78 : 130,163.60 = 63,767.88 : x
  2. Step 2: Convert to fraction form
    94,337.78/130,163.60 = 63,767.88/x
  3. Step 3: Cross multiply
    94,337.78x = 130,163.60 × 63,767.88
  4. Step 4: Simplify right side
    94,337.78x = 8,300,257,095.76
  5. Step 5: Solve for x
    x = 8,300,257,095.76/94,337.78
  6. Step 6: Final answer
    x = 87,984.44

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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.