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Finding the Fourth Proportional to 242,900.73, 335,204.73 and 135,477.72

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Solution

The fourth proportional to 242,900.73, 335,204.73 and 135,477.72 is: 186,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,900.73 : 335,204.73 = 135,477.72 : x
  2. Step 2: Convert to fraction form
    242,900.73/335,204.73 = 135,477.72/x
  3. Step 3: Cross multiply
    242,900.73x = 335,204.73 × 135,477.72
  4. Step 4: Simplify right side
    242,900.73x = 45,412,772,553.62
  5. Step 5: Solve for x
    x = 45,412,772,553.62/242,900.73
  6. Step 6: Final answer
    x = 186,960.21

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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.