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Finding the Fourth Proportional to 201,915.59, 302,874.59 and 61,674.21

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Solution

The fourth proportional to 201,915.59, 302,874.59 and 61,674.21 is: 92,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,915.59 : 302,874.59 = 61,674.21 : x
  2. Step 2: Convert to fraction form
    201,915.59/302,874.59 = 61,674.21/x
  3. Step 3: Cross multiply
    201,915.59x = 302,874.59 × 61,674.21
  4. Step 4: Simplify right side
    201,915.59x = 18,679,551,221.51
  5. Step 5: Solve for x
    x = 18,679,551,221.51/201,915.59
  6. Step 6: Final answer
    x = 92,511.69

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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.