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Finding the Fourth Proportional to 83,561.41, 115,320.23 and 45,835.66

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Solution

The fourth proportional to 83,561.41, 115,320.23 and 45,835.66 is: 63,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561.41 : 115,320.23 = 45,835.66 : x
  2. Step 2: Convert to fraction form
    83,561.41/115,320.23 = 45,835.66/x
  3. Step 3: Cross multiply
    83,561.41x = 115,320.23 × 45,835.66
  4. Step 4: Simplify right side
    83,561.41x = 5,285,778,853.40
  5. Step 5: Solve for x
    x = 5,285,778,853.40/83,561.41
  6. Step 6: Final answer
    x = 63,256.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.