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Finding the Fourth Proportional to 222,987.92, 307,519.86 and 146,476.32

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Solution

The fourth proportional to 222,987.92, 307,519.86 and 146,476.32 is: 202,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,987.92 : 307,519.86 = 146,476.32 : x
  2. Step 2: Convert to fraction form
    222,987.92/307,519.86 = 146,476.32/x
  3. Step 3: Cross multiply
    222,987.92x = 307,519.86 × 146,476.32
  4. Step 4: Simplify right side
    222,987.92x = 45,044,377,419.72
  5. Step 5: Solve for x
    x = 45,044,377,419.72/222,987.92
  6. Step 6: Final answer
    x = 202,003.67

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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.