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Finding the Fourth Proportional to 263,153.29, 363,151.29 and 142,294.29

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Solution

The fourth proportional to 263,153.29, 363,151.29 and 142,294.29 is: 196,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,153.29 : 363,151.29 = 142,294.29 : x
  2. Step 2: Convert to fraction form
    263,153.29/363,151.29 = 142,294.29/x
  3. Step 3: Cross multiply
    263,153.29x = 363,151.29 × 142,294.29
  4. Step 4: Simplify right side
    263,153.29x = 51,674,354,973.13
  5. Step 5: Solve for x
    x = 51,674,354,973.13/263,153.29
  6. Step 6: Final answer
    x = 196,365.98

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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.