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Finding the Fourth Proportional to 160,364.70, 221,297.84 and 88,747.74

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Solution

The fourth proportional to 160,364.70, 221,297.84 and 88,747.74 is: 122,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,364.70 : 221,297.84 = 88,747.74 : x
  2. Step 2: Convert to fraction form
    160,364.70/221,297.84 = 88,747.74/x
  3. Step 3: Cross multiply
    160,364.70x = 221,297.84 × 88,747.74
  4. Step 4: Simplify right side
    160,364.70x = 19,639,683,166.88
  5. Step 5: Solve for x
    x = 19,639,683,166.88/160,364.70
  6. Step 6: Final answer
    x = 122,468.87

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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.