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Finding the Fourth Proportional to 160,035.46, 220,848.09 and 88,420.42

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Solution

The fourth proportional to 160,035.46, 220,848.09 and 88,420.42 is: 122,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,035.46 : 220,848.09 = 88,420.42 : x
  2. Step 2: Convert to fraction form
    160,035.46/220,848.09 = 88,420.42/x
  3. Step 3: Cross multiply
    160,035.46x = 220,848.09 × 88,420.42
  4. Step 4: Simplify right side
    160,035.46x = 19,527,480,874.00
  5. Step 5: Solve for x
    x = 19,527,480,874.00/160,035.46
  6. Step 6: Final answer
    x = 122,019.71

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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.