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Finding the Fourth Proportional to 101,990.24, 152,973.11 and 27,116.12

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Solution

The fourth proportional to 101,990.24, 152,973.11 and 27,116.12 is: 40,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,990.24 : 152,973.11 = 27,116.12 : x
  2. Step 2: Convert to fraction form
    101,990.24/152,973.11 = 27,116.12/x
  3. Step 3: Cross multiply
    101,990.24x = 152,973.11 × 27,116.12
  4. Step 4: Simplify right side
    101,990.24x = 4,148,036,644.75
  5. Step 5: Solve for x
    x = 4,148,036,644.75/101,990.24
  6. Step 6: Final answer
    x = 40,670.92

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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.