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Finding the Fourth Proportional to 99,713.62, 149,526.62 and 37,340.38

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Solution

The fourth proportional to 99,713.62, 149,526.62 and 37,340.38 is: 55,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.62 : 149,526.62 = 37,340.38 : x
  2. Step 2: Convert to fraction form
    99,713.62/149,526.62 = 37,340.38/x
  3. Step 3: Cross multiply
    99,713.62x = 149,526.62 × 37,340.38
  4. Step 4: Simplify right side
    99,713.62x = 5,583,380,810.92
  5. Step 5: Solve for x
    x = 5,583,380,810.92/99,713.62
  6. Step 6: Final answer
    x = 55,994.16

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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.