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Finding the Fourth Proportional to 103,688.52, 155,532.62 and 32,617.44

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Solution

The fourth proportional to 103,688.52, 155,532.62 and 32,617.44 is: 48,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.52 : 155,532.62 = 32,617.44 : x
  2. Step 2: Convert to fraction form
    103,688.52/155,532.62 = 32,617.44/x
  3. Step 3: Cross multiply
    103,688.52x = 155,532.62 × 32,617.44
  4. Step 4: Simplify right side
    103,688.52x = 5,073,075,900.89
  5. Step 5: Solve for x
    x = 5,073,075,900.89/103,688.52
  6. Step 6: Final answer
    x = 48,926.11

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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.