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Finding the Fourth Proportional to 66,058.94, 99,030.08 and 50,545.82

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Solution

The fourth proportional to 66,058.94, 99,030.08 and 50,545.82 is: 75,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,058.94 : 99,030.08 = 50,545.82 : x
  2. Step 2: Convert to fraction form
    66,058.94/99,030.08 = 50,545.82/x
  3. Step 3: Cross multiply
    66,058.94x = 99,030.08 × 50,545.82
  4. Step 4: Simplify right side
    66,058.94x = 5,005,555,850.39
  5. Step 5: Solve for x
    x = 5,005,555,850.39/66,058.94
  6. Step 6: Final answer
    x = 75,774.09

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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.