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Finding the Fourth Proportional to 133,641.74, 184,425.59 and 79,926.75

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Solution

The fourth proportional to 133,641.74, 184,425.59 and 79,926.75 is: 110,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641.74 : 184,425.59 = 79,926.75 : x
  2. Step 2: Convert to fraction form
    133,641.74/184,425.59 = 79,926.75/x
  3. Step 3: Cross multiply
    133,641.74x = 184,425.59 × 79,926.75
  4. Step 4: Simplify right side
    133,641.74x = 14,740,537,625.90
  5. Step 5: Solve for x
    x = 14,740,537,625.90/133,641.74
  6. Step 6: Final answer
    x = 110,298.91

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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.