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Finding the Fourth Proportional to 201,158.16, 301,737.20 and 51,398.73

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Solution

The fourth proportional to 201,158.16, 301,737.20 and 51,398.73 is: 77,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,158.16 : 301,737.20 = 51,398.73 : x
  2. Step 2: Convert to fraction form
    201,158.16/301,737.20 = 51,398.73/x
  3. Step 3: Cross multiply
    201,158.16x = 301,737.20 × 51,398.73
  4. Step 4: Simplify right side
    201,158.16x = 15,508,908,616.76
  5. Step 5: Solve for x
    x = 15,508,908,616.76/201,158.16
  6. Step 6: Final answer
    x = 77,098.08

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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.