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Finding the Fourth Proportional to 68,888.95, 103,237.20 and 37,230.77

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Solution

The fourth proportional to 68,888.95, 103,237.20 and 37,230.77 is: 55,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,888.95 : 103,237.20 = 37,230.77 : x
  2. Step 2: Convert to fraction form
    68,888.95/103,237.20 = 37,230.77/x
  3. Step 3: Cross multiply
    68,888.95x = 103,237.20 × 37,230.77
  4. Step 4: Simplify right side
    68,888.95x = 3,843,600,706.74
  5. Step 5: Solve for x
    x = 3,843,600,706.74/68,888.95
  6. Step 6: Final answer
    x = 55,794.16

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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.