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Finding the Fourth Proportional to 133,963.18, 184,785.10 and 79,476.77

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Solution

The fourth proportional to 133,963.18, 184,785.10 and 79,476.77 is: 109,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,963.18 : 184,785.10 = 79,476.77 : x
  2. Step 2: Convert to fraction form
    133,963.18/184,785.10 = 79,476.77/x
  3. Step 3: Cross multiply
    133,963.18x = 184,785.10 × 79,476.77
  4. Step 4: Simplify right side
    133,963.18x = 14,686,123,155.40
  5. Step 5: Solve for x
    x = 14,686,123,155.40/133,963.18
  6. Step 6: Final answer
    x = 109,628.06

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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.