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Finding the Fourth Proportional to 203,046.90, 304,311.15 and 156,066.90

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Solution

The fourth proportional to 203,046.90, 304,311.15 and 156,066.90 is: 233,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,046.90 : 304,311.15 = 156,066.90 : x
  2. Step 2: Convert to fraction form
    203,046.90/304,311.15 = 156,066.90/x
  3. Step 3: Cross multiply
    203,046.90x = 304,311.15 × 156,066.90
  4. Step 4: Simplify right side
    203,046.90x = 47,492,897,815.94
  5. Step 5: Solve for x
    x = 47,492,897,815.94/203,046.90
  6. Step 6: Final answer
    x = 233,901.12

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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.