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Finding the Fourth Proportional to 86,893.34, 130,222.11 and 36,910.76

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Solution

The fourth proportional to 86,893.34, 130,222.11 and 36,910.76 is: 55,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893.34 : 130,222.11 = 36,910.76 : x
  2. Step 2: Convert to fraction form
    86,893.34/130,222.11 = 36,910.76/x
  3. Step 3: Cross multiply
    86,893.34x = 130,222.11 × 36,910.76
  4. Step 4: Simplify right side
    86,893.34x = 4,806,597,048.90
  5. Step 5: Solve for x
    x = 4,806,597,048.90/86,893.34
  6. Step 6: Final answer
    x = 55,316.06

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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.