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Finding the Fourth Proportional to 334,739.85, 502,113.84 and 98,087.31

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Solution

The fourth proportional to 334,739.85, 502,113.84 and 98,087.31 is: 147,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,739.85 : 502,113.84 = 98,087.31 : x
  2. Step 2: Convert to fraction form
    334,739.85/502,113.84 = 98,087.31/x
  3. Step 3: Cross multiply
    334,739.85x = 502,113.84 × 98,087.31
  4. Step 4: Simplify right side
    334,739.85x = 49,250,995,879.37
  5. Step 5: Solve for x
    x = 49,250,995,879.37/334,739.85
  6. Step 6: Final answer
    x = 147,132.16

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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.