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Finding the Fourth Proportional to 335,341.92, 503,012.82 and 98,684.66

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Solution

The fourth proportional to 335,341.92, 503,012.82 and 98,684.66 is: 148,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,341.92 : 503,012.82 = 98,684.66 : x
  2. Step 2: Convert to fraction form
    335,341.92/503,012.82 = 98,684.66/x
  3. Step 3: Cross multiply
    335,341.92x = 503,012.82 × 98,684.66
  4. Step 4: Simplify right side
    335,341.92x = 49,639,649,117.34
  5. Step 5: Solve for x
    x = 49,639,649,117.34/335,341.92
  6. Step 6: Final answer
    x = 148,026.97

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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.