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Finding the Fourth Proportional to 94,605.90, 130,487.52 and 64,337.42

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Solution

The fourth proportional to 94,605.90, 130,487.52 and 64,337.42 is: 88,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,605.90 : 130,487.52 = 64,337.42 : x
  2. Step 2: Convert to fraction form
    94,605.90/130,487.52 = 64,337.42/x
  3. Step 3: Cross multiply
    94,605.90x = 130,487.52 × 64,337.42
  4. Step 4: Simplify right side
    94,605.90x = 8,395,230,379.00
  5. Step 5: Solve for x
    x = 8,395,230,379.00/94,605.90
  6. Step 6: Final answer
    x = 88,738.97

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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.