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Finding the Fourth Proportional to 104,998.89, 157,498.92 and 26,113.12

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Solution

The fourth proportional to 104,998.89, 157,498.92 and 26,113.12 is: 39,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,998.89 : 157,498.92 = 26,113.12 : x
  2. Step 2: Convert to fraction form
    104,998.89/157,498.92 = 26,113.12/x
  3. Step 3: Cross multiply
    104,998.89x = 157,498.92 × 26,113.12
  4. Step 4: Simplify right side
    104,998.89x = 4,112,788,197.83
  5. Step 5: Solve for x
    x = 4,112,788,197.83/104,998.89
  6. Step 6: Final answer
    x = 39,169.83

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1.5x scale

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.