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Finding the Fourth Proportional to 183,888.53, 275,318.87 and 99,345.78

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Solution

The fourth proportional to 183,888.53, 275,318.87 and 99,345.78 is: 148,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,888.53 : 275,318.87 = 99,345.78 : x
  2. Step 2: Convert to fraction form
    183,888.53/275,318.87 = 99,345.78/x
  3. Step 3: Cross multiply
    183,888.53x = 275,318.87 × 99,345.78
  4. Step 4: Simplify right side
    183,888.53x = 27,351,767,392.14
  5. Step 5: Solve for x
    x = 27,351,767,392.14/183,888.53
  6. Step 6: Final answer
    x = 148,741.02

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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.