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Finding the Fourth Proportional to 160,029.98, 220,839.70 and 88,405.32

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Solution

The fourth proportional to 160,029.98, 220,839.70 and 88,405.32 is: 121,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,029.98 : 220,839.70 = 88,405.32 : x
  2. Step 2: Convert to fraction form
    160,029.98/220,839.70 = 88,405.32/x
  3. Step 3: Cross multiply
    160,029.98x = 220,839.70 × 88,405.32
  4. Step 4: Simplify right side
    160,029.98x = 19,523,404,347.20
  5. Step 5: Solve for x
    x = 19,523,404,347.20/160,029.98
  6. Step 6: Final answer
    x = 121,998.42

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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.