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Finding the Fourth Proportional to 107,604.82, 148,498.21 and 59,212.28

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Solution

The fourth proportional to 107,604.82, 148,498.21 and 59,212.28 is: 81,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,604.82 : 148,498.21 = 59,212.28 : x
  2. Step 2: Convert to fraction form
    107,604.82/148,498.21 = 59,212.28/x
  3. Step 3: Cross multiply
    107,604.82x = 148,498.21 × 59,212.28
  4. Step 4: Simplify right side
    107,604.82x = 8,792,918,035.28
  5. Step 5: Solve for x
    x = 8,792,918,035.28/107,604.82
  6. Step 6: Final answer
    x = 81,714.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.