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Finding the Fourth Proportional to 242,754.32, 364,131.48 and 159,628.88

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Solution

The fourth proportional to 242,754.32, 364,131.48 and 159,628.88 is: 239,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,754.32 : 364,131.48 = 159,628.88 : x
  2. Step 2: Convert to fraction form
    242,754.32/364,131.48 = 159,628.88/x
  3. Step 3: Cross multiply
    242,754.32x = 364,131.48 × 159,628.88
  4. Step 4: Simplify right side
    242,754.32x = 58,125,900,325.14
  5. Step 5: Solve for x
    x = 58,125,900,325.14/242,754.32
  6. Step 6: Final answer
    x = 239,443.32

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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.