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Finding the Fourth Proportional to 96,647.64, 133,306.32 and 93,396.36

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Solution

The fourth proportional to 96,647.64, 133,306.32 and 93,396.36 is: 128,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,647.64 : 133,306.32 = 93,396.36 : x
  2. Step 2: Convert to fraction form
    96,647.64/133,306.32 = 93,396.36/x
  3. Step 3: Cross multiply
    96,647.64x = 133,306.32 × 93,396.36
  4. Step 4: Simplify right side
    96,647.64x = 12,450,325,053.00
  5. Step 5: Solve for x
    x = 12,450,325,053.00/96,647.64
  6. Step 6: Final answer
    x = 128,821.82

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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.