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Finding the Fourth Proportional to 335,774.34, 503,716.22 and 99,140.94

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Solution

The fourth proportional to 335,774.34, 503,716.22 and 99,140.94 is: 148,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,774.34 : 503,716.22 = 99,140.94 : x
  2. Step 2: Convert to fraction form
    335,774.34/503,716.22 = 99,140.94/x
  3. Step 3: Cross multiply
    335,774.34x = 503,716.22 × 99,140.94
  4. Step 4: Simplify right side
    335,774.34x = 49,938,899,048.34
  5. Step 5: Solve for x
    x = 49,938,899,048.34/335,774.34
  6. Step 6: Final answer
    x = 148,727.56

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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.