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Finding the Fourth Proportional to 133,432.88, 184,102.80 and 79,694.24

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Solution

The fourth proportional to 133,432.88, 184,102.80 and 79,694.24 is: 109,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,432.88 : 184,102.80 = 79,694.24 : x
  2. Step 2: Convert to fraction form
    133,432.88/184,102.80 = 79,694.24/x
  3. Step 3: Cross multiply
    133,432.88x = 184,102.80 × 79,694.24
  4. Step 4: Simplify right side
    133,432.88x = 14,671,932,727.87
  5. Step 5: Solve for x
    x = 14,671,932,727.87/133,432.88
  6. Step 6: Final answer
    x = 109,957.40

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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.