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Finding the Fourth Proportional to 335,773.83, 503,715.46 and 99,140.43

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Solution

The fourth proportional to 335,773.83, 503,715.46 and 99,140.43 is: 148,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,773.83 : 503,715.46 = 99,140.43 : x
  2. Step 2: Convert to fraction form
    335,773.83/503,715.46 = 99,140.43/x
  3. Step 3: Cross multiply
    335,773.83x = 503,715.46 × 99,140.43
  4. Step 4: Simplify right side
    335,773.83x = 49,938,567,302.05
  5. Step 5: Solve for x
    x = 49,938,567,302.05/335,773.83
  6. Step 6: Final answer
    x = 148,726.80

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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.