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Finding the Fourth Proportional to 91,873.50, 137,810.28 and 29,544

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Solution

The fourth proportional to 91,873.50, 137,810.28 and 29,544 is: 44,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.50 : 137,810.28 = 29,544 : x
  2. Step 2: Convert to fraction form
    91,873.50/137,810.28 = 29,544/x
  3. Step 3: Cross multiply
    91,873.50x = 137,810.28 × 29,544
  4. Step 4: Simplify right side
    91,873.50x = 4,071,466,912.32
  5. Step 5: Solve for x
    x = 4,071,466,912.32/91,873.50
  6. Step 6: Final answer
    x = 44,316.01

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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.