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Finding the Fourth Proportional to 242,881.05, 335,160.03 and 133,978.83

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Solution

The fourth proportional to 242,881.05, 335,160.03 and 133,978.83 is: 184,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,881.05 : 335,160.03 = 133,978.83 : x
  2. Step 2: Convert to fraction form
    242,881.05/335,160.03 = 133,978.83/x
  3. Step 3: Cross multiply
    242,881.05x = 335,160.03 × 133,978.83
  4. Step 4: Simplify right side
    242,881.05x = 44,904,348,682.16
  5. Step 5: Solve for x
    x = 44,904,348,682.16/242,881.05
  6. Step 6: Final answer
    x = 184,882.06

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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.