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Finding the Fourth Proportional to 145,595.53, 218,445.85 and 50,839.68

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Solution

The fourth proportional to 145,595.53, 218,445.85 and 50,839.68 is: 76,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,595.53 : 218,445.85 = 50,839.68 : x
  2. Step 2: Convert to fraction form
    145,595.53/218,445.85 = 50,839.68/x
  3. Step 3: Cross multiply
    145,595.53x = 218,445.85 × 50,839.68
  4. Step 4: Simplify right side
    145,595.53x = 11,105,717,111.33
  5. Step 5: Solve for x
    x = 11,105,717,111.33/145,595.53
  6. Step 6: Final answer
    x = 76,277.87

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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.