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Finding the Fourth Proportional to 335,195.10, 502,804.80 and 98,561.70

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Solution

The fourth proportional to 335,195.10, 502,804.80 and 98,561.70 is: 147,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,195.10 : 502,804.80 = 98,561.70 : x
  2. Step 2: Convert to fraction form
    335,195.10/502,804.80 = 98,561.70/x
  3. Step 3: Cross multiply
    335,195.10x = 502,804.80 × 98,561.70
  4. Step 4: Simplify right side
    335,195.10x = 49,557,295,856.16
  5. Step 5: Solve for x
    x = 49,557,295,856.16/335,195.10
  6. Step 6: Final answer
    x = 147,846.12

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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.