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Finding the Fourth Proportional to 122,879.55, 169,467.80 and 95,980.35

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Solution

The fourth proportional to 122,879.55, 169,467.80 and 95,980.35 is: 132,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,879.55 : 169,467.80 = 95,980.35 : x
  2. Step 2: Convert to fraction form
    122,879.55/169,467.80 = 95,980.35/x
  3. Step 3: Cross multiply
    122,879.55x = 169,467.80 × 95,980.35
  4. Step 4: Simplify right side
    122,879.55x = 16,265,578,277.83
  5. Step 5: Solve for x
    x = 16,265,578,277.83/122,879.55
  6. Step 6: Final answer
    x = 132,370.10

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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.