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Finding the Fourth Proportional to 111,784.66, 167,701.49 and 48,614.58

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Solution

The fourth proportional to 111,784.66, 167,701.49 and 48,614.58 is: 72,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,784.66 : 167,701.49 = 48,614.58 : x
  2. Step 2: Convert to fraction form
    111,784.66/167,701.49 = 48,614.58/x
  3. Step 3: Cross multiply
    111,784.66x = 167,701.49 × 48,614.58
  4. Step 4: Simplify right side
    111,784.66x = 8,152,737,501.72
  5. Step 5: Solve for x
    x = 8,152,737,501.72/111,784.66
  6. Step 6: Final answer
    x = 72,932.52

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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.