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Finding the Fourth Proportional to 163,277.96, 245,007.66 and 88,397

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Solution

The fourth proportional to 163,277.96, 245,007.66 and 88,397 is: 132,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,277.96 : 245,007.66 = 88,397 : x
  2. Step 2: Convert to fraction form
    163,277.96/245,007.66 = 88,397/x
  3. Step 3: Cross multiply
    163,277.96x = 245,007.66 × 88,397
  4. Step 4: Simplify right side
    163,277.96x = 21,657,942,121.02
  5. Step 5: Solve for x
    x = 21,657,942,121.02/163,277.96
  6. Step 6: Final answer
    x = 132,644.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.