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Finding the Fourth Proportional to 109,555.93, 151,187.22 and 59,254.93

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Solution

The fourth proportional to 109,555.93, 151,187.22 and 59,254.93 is: 81,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555.93 : 151,187.22 = 59,254.93 : x
  2. Step 2: Convert to fraction form
    109,555.93/151,187.22 = 59,254.93/x
  3. Step 3: Cross multiply
    109,555.93x = 151,187.22 × 59,254.93
  4. Step 4: Simplify right side
    109,555.93x = 8,958,588,137.99
  5. Step 5: Solve for x
    x = 8,958,588,137.99/109,555.93
  6. Step 6: Final answer
    x = 81,771.82

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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.