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Finding the Fourth Proportional to 136,630.99, 204,952.63 and 41,854.25

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Solution

The fourth proportional to 136,630.99, 204,952.63 and 41,854.25 is: 62,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,630.99 : 204,952.63 = 41,854.25 : x
  2. Step 2: Convert to fraction form
    136,630.99/204,952.63 = 41,854.25/x
  3. Step 3: Cross multiply
    136,630.99x = 204,952.63 × 41,854.25
  4. Step 4: Simplify right side
    136,630.99x = 8,578,139,100.40
  5. Step 5: Solve for x
    x = 8,578,139,100.40/136,630.99
  6. Step 6: Final answer
    x = 62,783.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.