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Finding the Fourth Proportional to 68,078.08, 93,947.22 and 37,450.51

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Solution

The fourth proportional to 68,078.08, 93,947.22 and 37,450.51 is: 51,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,078.08 : 93,947.22 = 37,450.51 : x
  2. Step 2: Convert to fraction form
    68,078.08/93,947.22 = 37,450.51/x
  3. Step 3: Cross multiply
    68,078.08x = 93,947.22 × 37,450.51
  4. Step 4: Simplify right side
    68,078.08x = 3,518,371,419.52
  5. Step 5: Solve for x
    x = 3,518,371,419.52/68,078.08
  6. Step 6: Final answer
    x = 51,681.41

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1.5x scale

Why These Related Problems?

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