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Finding the Fourth Proportional to 335,782.06, 503,727.82 and 99,148.66

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Solution

The fourth proportional to 335,782.06, 503,727.82 and 99,148.66 is: 148,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,782.06 : 503,727.82 = 99,148.66 : x
  2. Step 2: Convert to fraction form
    335,782.06/503,727.82 = 99,148.66/x
  3. Step 3: Cross multiply
    335,782.06x = 503,727.82 × 99,148.66
  4. Step 4: Simplify right side
    335,782.06x = 49,943,938,357.72
  5. Step 5: Solve for x
    x = 49,943,938,357.72/335,782.06
  6. Step 6: Final answer
    x = 148,739.15

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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.