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Finding the Fourth Proportional to 335,773.59, 503,715.09 and 99,140.19

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Solution

The fourth proportional to 335,773.59, 503,715.09 and 99,140.19 is: 148,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,773.59 : 503,715.09 = 99,140.19 : x
  2. Step 2: Convert to fraction form
    335,773.59/503,715.09 = 99,140.19/x
  3. Step 3: Cross multiply
    335,773.59x = 503,715.09 × 99,140.19
  4. Step 4: Simplify right side
    335,773.59x = 49,938,409,728.47
  5. Step 5: Solve for x
    x = 49,938,409,728.47/335,773.59
  6. Step 6: Final answer
    x = 148,726.44

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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.