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Finding the Fourth Proportional to 101,297.28, 151,314.24 and 75,053.28

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Solution

The fourth proportional to 101,297.28, 151,314.24 and 75,053.28 is: 112,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,297.28 : 151,314.24 = 75,053.28 : x
  2. Step 2: Convert to fraction form
    101,297.28/151,314.24 = 75,053.28/x
  3. Step 3: Cross multiply
    101,297.28x = 151,314.24 × 75,053.28
  4. Step 4: Simplify right side
    101,297.28x = 11,356,630,022.71
  5. Step 5: Solve for x
    x = 11,356,630,022.71/101,297.28
  6. Step 6: Final answer
    x = 112,111.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.