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Finding the Fourth Proportional to 335,806.40, 503,801.58 and 99,148.88

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Solution

The fourth proportional to 335,806.40, 503,801.58 and 99,148.88 is: 148,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,806.40 : 503,801.58 = 99,148.88 : x
  2. Step 2: Convert to fraction form
    335,806.40/503,801.58 = 99,148.88/x
  3. Step 3: Cross multiply
    335,806.40x = 503,801.58 × 99,148.88
  4. Step 4: Simplify right side
    335,806.40x = 49,951,362,399.23
  5. Step 5: Solve for x
    x = 49,951,362,399.23/335,806.40
  6. Step 6: Final answer
    x = 148,750.48

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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.