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Finding the Fourth Proportional to 363,372.12, 545,145.42 and 114,054.12

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Solution

The fourth proportional to 363,372.12, 545,145.42 and 114,054.12 is: 171,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,372.12 : 545,145.42 = 114,054.12 : x
  2. Step 2: Convert to fraction form
    363,372.12/545,145.42 = 114,054.12/x
  3. Step 3: Cross multiply
    363,372.12x = 545,145.42 × 114,054.12
  4. Step 4: Simplify right side
    363,372.12x = 62,176,081,150.13
  5. Step 5: Solve for x
    x = 62,176,081,150.13/363,372.12
  6. Step 6: Final answer
    x = 171,108.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.