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Finding the Fourth Proportional to 160,618.96, 221,644.80 and 88,994.68

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Solution

The fourth proportional to 160,618.96, 221,644.80 and 88,994.68 is: 122,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,618.96 : 221,644.80 = 88,994.68 : x
  2. Step 2: Convert to fraction form
    160,618.96/221,644.80 = 88,994.68/x
  3. Step 3: Cross multiply
    160,618.96x = 221,644.80 × 88,994.68
  4. Step 4: Simplify right side
    160,618.96x = 19,725,208,049.66
  5. Step 5: Solve for x
    x = 19,725,208,049.66/160,618.96
  6. Step 6: Final answer
    x = 122,807.47

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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.