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Finding the Fourth Proportional to 94,625.50, 130,585.08 and 61,149.82

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Solution

The fourth proportional to 94,625.50, 130,585.08 and 61,149.82 is: 84,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,625.50 : 130,585.08 = 61,149.82 : x
  2. Step 2: Convert to fraction form
    94,625.50/130,585.08 = 61,149.82/x
  3. Step 3: Cross multiply
    94,625.50x = 130,585.08 × 61,149.82
  4. Step 4: Simplify right side
    94,625.50x = 7,985,254,136.69
  5. Step 5: Solve for x
    x = 7,985,254,136.69/94,625.50
  6. Step 6: Final answer
    x = 84,387.97

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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.