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Finding the Fourth Proportional to 133,754.98, 184,551.55 and 90,740.33

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Solution

The fourth proportional to 133,754.98, 184,551.55 and 90,740.33 is: 125,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,754.98 : 184,551.55 = 90,740.33 : x
  2. Step 2: Convert to fraction form
    133,754.98/184,551.55 = 90,740.33/x
  3. Step 3: Cross multiply
    133,754.98x = 184,551.55 × 90,740.33
  4. Step 4: Simplify right side
    133,754.98x = 16,746,268,095.31
  5. Step 5: Solve for x
    x = 16,746,268,095.31/133,754.98
  6. Step 6: Final answer
    x = 125,201.09

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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.