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Finding the Fourth Proportional to 242,843.36, 335,111.66 and 133,966.81

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Solution

The fourth proportional to 242,843.36, 335,111.66 and 133,966.81 is: 184,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,843.36 : 335,111.66 = 133,966.81 : x
  2. Step 2: Convert to fraction form
    242,843.36/335,111.66 = 133,966.81/x
  3. Step 3: Cross multiply
    242,843.36x = 335,111.66 × 133,966.81
  4. Step 4: Simplify right side
    242,843.36x = 44,893,838,408.45
  5. Step 5: Solve for x
    x = 44,893,838,408.45/242,843.36
  6. Step 6: Final answer
    x = 184,867.47

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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.