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Finding the Fourth Proportional to 335,813.40, 503,812.08 and 99,155.88

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Solution

The fourth proportional to 335,813.40, 503,812.08 and 99,155.88 is: 148,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,813.40 : 503,812.08 = 99,155.88 : x
  2. Step 2: Convert to fraction form
    335,813.40/503,812.08 = 99,155.88/x
  3. Step 3: Cross multiply
    335,813.40x = 503,812.08 × 99,155.88
  4. Step 4: Simplify right side
    335,813.40x = 49,955,930,147.03
  5. Step 5: Solve for x
    x = 49,955,930,147.03/335,813.40
  6. Step 6: Final answer
    x = 148,760.98

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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.