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Finding the Fourth Proportional to 145,054.55, 217,532.55 and 50,262.62

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Solution

The fourth proportional to 145,054.55, 217,532.55 and 50,262.62 is: 75,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,054.55 : 217,532.55 = 50,262.62 : x
  2. Step 2: Convert to fraction form
    145,054.55/217,532.55 = 50,262.62/x
  3. Step 3: Cross multiply
    145,054.55x = 217,532.55 × 50,262.62
  4. Step 4: Simplify right side
    145,054.55x = 10,933,754,810.62
  5. Step 5: Solve for x
    x = 10,933,754,810.62/145,054.55
  6. Step 6: Final answer
    x = 75,376.85

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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.