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Finding the Fourth Proportional to 99,889.63, 149,856.33 and 37,560.13

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Solution

The fourth proportional to 99,889.63, 149,856.33 and 37,560.13 is: 56,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,889.63 : 149,856.33 = 37,560.13 : x
  2. Step 2: Convert to fraction form
    99,889.63/149,856.33 = 37,560.13/x
  3. Step 3: Cross multiply
    99,889.63x = 149,856.33 × 37,560.13
  4. Step 4: Simplify right side
    99,889.63x = 5,628,623,236.12
  5. Step 5: Solve for x
    x = 5,628,623,236.12/99,889.63
  6. Step 6: Final answer
    x = 56,348.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.