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Finding the Fourth Proportional to 167,040, 250,555.14 and 61,856.64

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Solution

The fourth proportional to 167,040, 250,555.14 and 61,856.64 is: 92,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,040 : 250,555.14 = 61,856.64 : x
  2. Step 2: Convert to fraction form
    167,040/250,555.14 = 61,856.64/x
  3. Step 3: Cross multiply
    167,040x = 250,555.14 × 61,856.64
  4. Step 4: Simplify right side
    167,040x = 15,498,499,095.13
  5. Step 5: Solve for x
    x = 15,498,499,095.13/167,040
  6. Step 6: Final answer
    x = 92,783.16

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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.