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Finding the Fourth Proportional to 96,970.54, 133,666.86 and 88,834.90

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Solution

The fourth proportional to 96,970.54, 133,666.86 and 88,834.90 is: 122,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,970.54 : 133,666.86 = 88,834.90 : x
  2. Step 2: Convert to fraction form
    96,970.54/133,666.86 = 88,834.90/x
  3. Step 3: Cross multiply
    96,970.54x = 133,666.86 × 88,834.90
  4. Step 4: Simplify right side
    96,970.54x = 11,874,282,141.41
  5. Step 5: Solve for x
    x = 11,874,282,141.41/96,970.54
  6. Step 6: Final answer
    x = 122,452.47

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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.