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Finding the Fourth Proportional to 201,127.79, 301,687.01 and 101,261.17

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Solution

The fourth proportional to 201,127.79, 301,687.01 and 101,261.17 is: 151,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,127.79 : 301,687.01 = 101,261.17 : x
  2. Step 2: Convert to fraction form
    201,127.79/301,687.01 = 101,261.17/x
  3. Step 3: Cross multiply
    201,127.79x = 301,687.01 × 101,261.17
  4. Step 4: Simplify right side
    201,127.79x = 30,549,179,578.03
  5. Step 5: Solve for x
    x = 30,549,179,578.03/201,127.79
  6. Step 6: Final answer
    x = 151,889.40

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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.