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Finding the Fourth Proportional to 160,499.46, 221,486.31 and 88,879.26

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Solution

The fourth proportional to 160,499.46, 221,486.31 and 88,879.26 is: 122,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,499.46 : 221,486.31 = 88,879.26 : x
  2. Step 2: Convert to fraction form
    160,499.46/221,486.31 = 88,879.26/x
  3. Step 3: Cross multiply
    160,499.46x = 221,486.31 × 88,879.26
  4. Step 4: Simplify right side
    160,499.46x = 19,685,539,332.93
  5. Step 5: Solve for x
    x = 19,685,539,332.93/160,499.46
  6. Step 6: Final answer
    x = 122,651.75

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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.