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Finding the Fourth Proportional to 160,590.42, 221,605.20 and 88,965.24

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Solution

The fourth proportional to 160,590.42, 221,605.20 and 88,965.24 is: 122,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,590.42 : 221,605.20 = 88,965.24 : x
  2. Step 2: Convert to fraction form
    160,590.42/221,605.20 = 88,965.24/x
  3. Step 3: Cross multiply
    160,590.42x = 221,605.20 × 88,965.24
  4. Step 4: Simplify right side
    160,590.42x = 19,715,159,803.25
  5. Step 5: Solve for x
    x = 19,715,159,803.25/160,590.42
  6. Step 6: Final answer
    x = 122,766.72

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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.