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Finding the Fourth Proportional to 227,887.05, 314,491.91 and 143,050.89

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Solution

The fourth proportional to 227,887.05, 314,491.91 and 143,050.89 is: 197,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,887.05 : 314,491.91 = 143,050.89 : x
  2. Step 2: Convert to fraction form
    227,887.05/314,491.91 = 143,050.89/x
  3. Step 3: Cross multiply
    227,887.05x = 314,491.91 × 143,050.89
  4. Step 4: Simplify right side
    227,887.05x = 44,988,346,908.05
  5. Step 5: Solve for x
    x = 44,988,346,908.05/227,887.05
  6. Step 6: Final answer
    x = 197,415.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.