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Finding the Fourth Proportional to 160,151.34, 220,989.70 and 88,521.63

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Solution

The fourth proportional to 160,151.34, 220,989.70 and 88,521.63 is: 122,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,151.34 : 220,989.70 = 88,521.63 : x
  2. Step 2: Convert to fraction form
    160,151.34/220,989.70 = 88,521.63/x
  3. Step 3: Cross multiply
    160,151.34x = 220,989.70 × 88,521.63
  4. Step 4: Simplify right side
    160,151.34x = 19,562,367,739.15
  5. Step 5: Solve for x
    x = 19,562,367,739.15/160,151.34
  6. Step 6: Final answer
    x = 122,149.26

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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.