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Finding the Fourth Proportional to 242,777.44, 335,033.07 and 135,345.32

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Solution

The fourth proportional to 242,777.44, 335,033.07 and 135,345.32 is: 186,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,777.44 : 335,033.07 = 135,345.32 : x
  2. Step 2: Convert to fraction form
    242,777.44/335,033.07 = 135,345.32/x
  3. Step 3: Cross multiply
    242,777.44x = 335,033.07 × 135,345.32
  4. Step 4: Simplify right side
    242,777.44x = 45,345,158,069.73
  5. Step 5: Solve for x
    x = 45,345,158,069.73/242,777.44
  6. Step 6: Final answer
    x = 186,776.65

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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.