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Finding the Fourth Proportional to 219,590.42, 303,032.25 and 118,988.42

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Solution

The fourth proportional to 219,590.42, 303,032.25 and 118,988.42 is: 164,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,590.42 : 303,032.25 = 118,988.42 : x
  2. Step 2: Convert to fraction form
    219,590.42/303,032.25 = 118,988.42/x
  3. Step 3: Cross multiply
    219,590.42x = 303,032.25 × 118,988.42
  4. Step 4: Simplify right side
    219,590.42x = 36,057,327,121.38
  5. Step 5: Solve for x
    x = 36,057,327,121.38/219,590.42
  6. Step 6: Final answer
    x = 164,202.65

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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.