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Finding the Fourth Proportional to 133,357.92, 184,024.80 and 75,990.24

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Solution

The fourth proportional to 133,357.92, 184,024.80 and 75,990.24 is: 104,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,357.92 : 184,024.80 = 75,990.24 : x
  2. Step 2: Convert to fraction form
    133,357.92/184,024.80 = 75,990.24/x
  3. Step 3: Cross multiply
    133,357.92x = 184,024.80 × 75,990.24
  4. Step 4: Simplify right side
    133,357.92x = 13,984,088,717.95
  5. Step 5: Solve for x
    x = 13,984,088,717.95/133,357.92
  6. Step 6: Final answer
    x = 104,861.33

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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.