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Finding the Fourth Proportional to 101,298.12, 151,946.94 and 27,426.12

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Solution

The fourth proportional to 101,298.12, 151,946.94 and 27,426.12 is: 41,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,298.12 : 151,946.94 = 27,426.12 : x
  2. Step 2: Convert to fraction form
    101,298.12/151,946.94 = 27,426.12/x
  3. Step 3: Cross multiply
    101,298.12x = 151,946.94 × 27,426.12
  4. Step 4: Simplify right side
    101,298.12x = 4,167,315,010.07
  5. Step 5: Solve for x
    x = 4,167,315,010.07/101,298.12
  6. Step 6: Final answer
    x = 41,139.12

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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.