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Finding the Fourth Proportional to 109,448.66, 151,039.32 and 59,147.66

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Solution

The fourth proportional to 109,448.66, 151,039.32 and 59,147.66 is: 81,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,448.66 : 151,039.32 = 59,147.66 : x
  2. Step 2: Convert to fraction form
    109,448.66/151,039.32 = 59,147.66/x
  3. Step 3: Cross multiply
    109,448.66x = 151,039.32 × 59,147.66
  4. Step 4: Simplify right side
    109,448.66x = 8,933,622,345.99
  5. Step 5: Solve for x
    x = 8,933,622,345.99/109,448.66
  6. Step 6: Final answer
    x = 81,623.86

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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.