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Finding the Fourth Proportional to 101,861.01, 152,798.40 and 26,980.16

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Solution

The fourth proportional to 101,861.01, 152,798.40 and 26,980.16 is: 40,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.01 : 152,798.40 = 26,980.16 : x
  2. Step 2: Convert to fraction form
    101,861.01/152,798.40 = 26,980.16/x
  3. Step 3: Cross multiply
    101,861.01x = 152,798.40 × 26,980.16
  4. Step 4: Simplify right side
    101,861.01x = 4,122,524,515.75
  5. Step 5: Solve for x
    x = 4,122,524,515.75/101,861.01
  6. Step 6: Final answer
    x = 40,472.06

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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.