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Finding the Fourth Proportional to 101,140.13, 151,710.20 and 27,268.13

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Solution

The fourth proportional to 101,140.13, 151,710.20 and 27,268.13 is: 40,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,140.13 : 151,710.20 = 27,268.13 : x
  2. Step 2: Convert to fraction form
    101,140.13/151,710.20 = 27,268.13/x
  3. Step 3: Cross multiply
    101,140.13x = 151,710.20 × 27,268.13
  4. Step 4: Simplify right side
    101,140.13x = 4,136,852,561.03
  5. Step 5: Solve for x
    x = 4,136,852,561.03/101,140.13
  6. Step 6: Final answer
    x = 40,902.19

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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.