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Finding the Fourth Proportional to 201,171.68, 301,757.60 and 74,809.36

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Solution

The fourth proportional to 201,171.68, 301,757.60 and 74,809.36 is: 112,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,171.68 : 301,757.60 = 74,809.36 : x
  2. Step 2: Convert to fraction form
    201,171.68/301,757.60 = 74,809.36/x
  3. Step 3: Cross multiply
    201,171.68x = 301,757.60 × 74,809.36
  4. Step 4: Simplify right side
    201,171.68x = 22,574,292,931.14
  5. Step 5: Solve for x
    x = 22,574,292,931.14/201,171.68
  6. Step 6: Final answer
    x = 112,214.07

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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.