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Finding the Fourth Proportional to 164,806.80, 247,319.55 and 93,729.30

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Solution

The fourth proportional to 164,806.80, 247,319.55 and 93,729.30 is: 140,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,806.80 : 247,319.55 = 93,729.30 : x
  2. Step 2: Convert to fraction form
    164,806.80/247,319.55 = 93,729.30/x
  3. Step 3: Cross multiply
    164,806.80x = 247,319.55 × 93,729.30
  4. Step 4: Simplify right side
    164,806.80x = 23,181,088,297.82
  5. Step 5: Solve for x
    x = 23,181,088,297.82/164,806.80
  6. Step 6: Final answer
    x = 140,656.14

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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.