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Finding the Fourth Proportional to 103,791.48, 155,631.54 and 32,700.84

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Solution

The fourth proportional to 103,791.48, 155,631.54 and 32,700.84 is: 49,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,791.48 : 155,631.54 = 32,700.84 : x
  2. Step 2: Convert to fraction form
    103,791.48/155,631.54 = 32,700.84/x
  3. Step 3: Cross multiply
    103,791.48x = 155,631.54 × 32,700.84
  4. Step 4: Simplify right side
    103,791.48x = 5,089,282,088.49
  5. Step 5: Solve for x
    x = 5,089,282,088.49/103,791.48
  6. Step 6: Final answer
    x = 49,033.72

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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.