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Finding the Fourth Proportional to 309,151.15, 463,770.74 and 95,937.49

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Solution

The fourth proportional to 309,151.15, 463,770.74 and 95,937.49 is: 143,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,151.15 : 463,770.74 = 95,937.49 : x
  2. Step 2: Convert to fraction form
    309,151.15/463,770.74 = 95,937.49/x
  3. Step 3: Cross multiply
    309,151.15x = 463,770.74 × 95,937.49
  4. Step 4: Simplify right side
    309,151.15x = 44,492,999,790.84
  5. Step 5: Solve for x
    x = 44,492,999,790.84/309,151.15
  6. Step 6: Final answer
    x = 143,919.89

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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.