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Finding the Fourth Proportional to 105,502.75, 158,293.01 and 55,580.83

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Solution

The fourth proportional to 105,502.75, 158,293.01 and 55,580.83 is: 83,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,502.75 : 158,293.01 = 55,580.83 : x
  2. Step 2: Convert to fraction form
    105,502.75/158,293.01 = 55,580.83/x
  3. Step 3: Cross multiply
    105,502.75x = 158,293.01 × 55,580.83
  4. Step 4: Simplify right side
    105,502.75x = 8,798,056,879.00
  5. Step 5: Solve for x
    x = 8,798,056,879.00/105,502.75
  6. Step 6: Final answer
    x = 83,391.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.