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Finding the Fourth Proportional to 242,843.64, 364,250.88 and 91,010.76

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Solution

The fourth proportional to 242,843.64, 364,250.88 and 91,010.76 is: 136,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,843.64 : 364,250.88 = 91,010.76 : x
  2. Step 2: Convert to fraction form
    242,843.64/364,250.88 = 91,010.76/x
  3. Step 3: Cross multiply
    242,843.64x = 364,250.88 × 91,010.76
  4. Step 4: Simplify right side
    242,843.64x = 33,150,749,419.47
  5. Step 5: Solve for x
    x = 33,150,749,419.47/242,843.64
  6. Step 6: Final answer
    x = 136,510.68

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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.