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Finding the Fourth Proportional to 202,281.15, 303,421.73 and 162,915.15

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Solution

The fourth proportional to 202,281.15, 303,421.73 and 162,915.15 is: 244,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,281.15 : 303,421.73 = 162,915.15 : x
  2. Step 2: Convert to fraction form
    202,281.15/303,421.73 = 162,915.15/x
  3. Step 3: Cross multiply
    202,281.15x = 303,421.73 × 162,915.15
  4. Step 4: Simplify right side
    202,281.15x = 49,431,996,656.21
  5. Step 5: Solve for x
    x = 49,431,996,656.21/202,281.15
  6. Step 6: Final answer
    x = 244,372.73

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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.