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Finding the Fourth Proportional to 106,992.16, 147,649.17 and 59,245.51

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Solution

The fourth proportional to 106,992.16, 147,649.17 and 59,245.51 is: 81,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,992.16 : 147,649.17 = 59,245.51 : x
  2. Step 2: Convert to fraction form
    106,992.16/147,649.17 = 59,245.51/x
  3. Step 3: Cross multiply
    106,992.16x = 147,649.17 × 59,245.51
  4. Step 4: Simplify right side
    106,992.16x = 8,747,550,174.36
  5. Step 5: Solve for x
    x = 8,747,550,174.36/106,992.16
  6. Step 6: Final answer
    x = 81,758.80

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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.