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Finding the Fourth Proportional to 158,553.94, 218,811.27 and 94,879.48

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Solution

The fourth proportional to 158,553.94, 218,811.27 and 94,879.48 is: 130,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,553.94 : 218,811.27 = 94,879.48 : x
  2. Step 2: Convert to fraction form
    158,553.94/218,811.27 = 94,879.48/x
  3. Step 3: Cross multiply
    158,553.94x = 218,811.27 × 94,879.48
  4. Step 4: Simplify right side
    158,553.94x = 20,760,699,515.74
  5. Step 5: Solve for x
    x = 20,760,699,515.74/158,553.94
  6. Step 6: Final answer
    x = 130,937.77

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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.