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Finding the Fourth Proportional to 201,751.32, 278,333.24 and 120,063.23

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Solution

The fourth proportional to 201,751.32, 278,333.24 and 120,063.23 is: 165,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,751.32 : 278,333.24 = 120,063.23 : x
  2. Step 2: Convert to fraction form
    201,751.32/278,333.24 = 120,063.23/x
  3. Step 3: Cross multiply
    201,751.32x = 278,333.24 × 120,063.23
  4. Step 4: Simplify right side
    201,751.32x = 33,417,586,719.26
  5. Step 5: Solve for x
    x = 33,417,586,719.26/201,751.32
  6. Step 6: Final answer
    x = 165,637.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.