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Finding the Fourth Proportional to 133,554.88, 184,251.72 and 79,809.22

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Solution

The fourth proportional to 133,554.88, 184,251.72 and 79,809.22 is: 110,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,554.88 : 184,251.72 = 79,809.22 : x
  2. Step 2: Convert to fraction form
    133,554.88/184,251.72 = 79,809.22/x
  3. Step 3: Cross multiply
    133,554.88x = 184,251.72 × 79,809.22
  4. Step 4: Simplify right side
    133,554.88x = 14,704,986,056.86
  5. Step 5: Solve for x
    x = 14,704,986,056.86/133,554.88
  6. Step 6: Final answer
    x = 110,104.45

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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.