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Finding the Fourth Proportional to 133,437.38, 184,109.01 and 79,698.74

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Solution

The fourth proportional to 133,437.38, 184,109.01 and 79,698.74 is: 109,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,437.38 : 184,109.01 = 79,698.74 : x
  2. Step 2: Convert to fraction form
    133,437.38/184,109.01 = 79,698.74/x
  3. Step 3: Cross multiply
    133,437.38x = 184,109.01 × 79,698.74
  4. Step 4: Simplify right side
    133,437.38x = 14,673,256,119.65
  5. Step 5: Solve for x
    x = 14,673,256,119.65/133,437.38
  6. Step 6: Final answer
    x = 109,963.61

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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.