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Finding the Fourth Proportional to 109,950.09, 151,731.41 and 59,649.09

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Solution

The fourth proportional to 109,950.09, 151,731.41 and 59,649.09 is: 82,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,950.09 : 151,731.41 = 59,649.09 : x
  2. Step 2: Convert to fraction form
    109,950.09/151,731.41 = 59,649.09/x
  3. Step 3: Cross multiply
    109,950.09x = 151,731.41 × 59,649.09
  4. Step 4: Simplify right side
    109,950.09x = 9,050,639,999.20
  5. Step 5: Solve for x
    x = 9,050,639,999.20/109,950.09
  6. Step 6: Final answer
    x = 82,315.90

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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.