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Finding the Fourth Proportional to 133,666.07, 184,459.11 and 79,963.70

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Solution

The fourth proportional to 133,666.07, 184,459.11 and 79,963.70 is: 110,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,666.07 : 184,459.11 = 79,963.70 : x
  2. Step 2: Convert to fraction form
    133,666.07/184,459.11 = 79,963.70/x
  3. Step 3: Cross multiply
    133,666.07x = 184,459.11 × 79,963.70
  4. Step 4: Simplify right side
    133,666.07x = 14,750,032,012.01
  5. Step 5: Solve for x
    x = 14,750,032,012.01/133,666.07
  6. Step 6: Final answer
    x = 110,349.86

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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.