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Finding the Fourth Proportional to 133,092.96, 183,728.16 and 87,797.76

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Solution

The fourth proportional to 133,092.96, 183,728.16 and 87,797.76 is: 121,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,092.96 : 183,728.16 = 87,797.76 : x
  2. Step 2: Convert to fraction form
    133,092.96/183,728.16 = 87,797.76/x
  3. Step 3: Cross multiply
    133,092.96x = 183,728.16 × 87,797.76
  4. Step 4: Simplify right side
    133,092.96x = 16,130,920,896.92
  5. Step 5: Solve for x
    x = 16,130,920,896.92/133,092.96
  6. Step 6: Final answer
    x = 121,200.41

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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.