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Finding the Fourth Proportional to 219,998.88, 303,598.45 and 119,396.88

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Solution

The fourth proportional to 219,998.88, 303,598.45 and 119,396.88 is: 164,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,998.88 : 303,598.45 = 119,396.88 : x
  2. Step 2: Convert to fraction form
    219,998.88/303,598.45 = 119,396.88/x
  3. Step 3: Cross multiply
    219,998.88x = 303,598.45 × 119,396.88
  4. Step 4: Simplify right side
    219,998.88x = 36,248,707,702.84
  5. Step 5: Solve for x
    x = 36,248,707,702.84/219,998.88
  6. Step 6: Final answer
    x = 164,767.69

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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.