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Finding the Fourth Proportional to 83,285.01, 124,919.41 and 45,832.77

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Solution

The fourth proportional to 83,285.01, 124,919.41 and 45,832.77 is: 68,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,285.01 : 124,919.41 = 45,832.77 : x
  2. Step 2: Convert to fraction form
    83,285.01/124,919.41 = 45,832.77/x
  3. Step 3: Cross multiply
    83,285.01x = 124,919.41 × 45,832.77
  4. Step 4: Simplify right side
    83,285.01x = 5,725,402,587.07
  5. Step 5: Solve for x
    x = 5,725,402,587.07/83,285.01
  6. Step 6: Final answer
    x = 68,744.69

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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.