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Finding the Fourth Proportional to 133,692.68, 184,426.88 and 90,657.62

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Solution

The fourth proportional to 133,692.68, 184,426.88 and 90,657.62 is: 125,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,692.68 : 184,426.88 = 90,657.62 : x
  2. Step 2: Convert to fraction form
    133,692.68/184,426.88 = 90,657.62/x
  3. Step 3: Cross multiply
    133,692.68x = 184,426.88 × 90,657.62
  4. Step 4: Simplify right side
    133,692.68x = 16,719,702,004.83
  5. Step 5: Solve for x
    x = 16,719,702,004.83/133,692.68
  6. Step 6: Final answer
    x = 125,060.71

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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.