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Finding the Fourth Proportional to 201,017.42, 301,516.22 and 74,682.26

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Solution

The fourth proportional to 201,017.42, 301,516.22 and 74,682.26 is: 112,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017.42 : 301,516.22 = 74,682.26 : x
  2. Step 2: Convert to fraction form
    201,017.42/301,516.22 = 74,682.26/x
  3. Step 3: Cross multiply
    201,017.42x = 301,516.22 × 74,682.26
  4. Step 4: Simplify right side
    201,017.42x = 22,517,911,415.38
  5. Step 5: Solve for x
    x = 22,517,911,415.38/201,017.42
  6. Step 6: Final answer
    x = 112,019.70

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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.