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Finding the Fourth Proportional to 189,978.72, 283,565.04 and 167,566.08

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Solution

The fourth proportional to 189,978.72, 283,565.04 and 167,566.08 is: 250,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,978.72 : 283,565.04 = 167,566.08 : x
  2. Step 2: Convert to fraction form
    189,978.72/283,565.04 = 167,566.08/x
  3. Step 3: Cross multiply
    189,978.72x = 283,565.04 × 167,566.08
  4. Step 4: Simplify right side
    189,978.72x = 47,515,882,177.84
  5. Step 5: Solve for x
    x = 47,515,882,177.84/189,978.72
  6. Step 6: Final answer
    x = 250,111.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.