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Finding the Fourth Proportional to 242,852.80, 335,137.18 and 133,954.69

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Solution

The fourth proportional to 242,852.80, 335,137.18 and 133,954.69 is: 184,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,852.80 : 335,137.18 = 133,954.69 : x
  2. Step 2: Convert to fraction form
    242,852.80/335,137.18 = 133,954.69/x
  3. Step 3: Cross multiply
    242,852.80x = 335,137.18 × 133,954.69
  4. Step 4: Simplify right side
    242,852.80x = 44,893,197,054.37
  5. Step 5: Solve for x
    x = 44,893,197,054.37/242,852.80
  6. Step 6: Final answer
    x = 184,857.65

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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.