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Finding the Fourth Proportional to 96,661.69, 133,392.83 and 53,647.66

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Solution

The fourth proportional to 96,661.69, 133,392.83 and 53,647.66 is: 74,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.69 : 133,392.83 = 53,647.66 : x
  2. Step 2: Convert to fraction form
    96,661.69/133,392.83 = 53,647.66/x
  3. Step 3: Cross multiply
    96,661.69x = 133,392.83 × 53,647.66
  4. Step 4: Simplify right side
    96,661.69x = 7,156,213,088.78
  5. Step 5: Solve for x
    x = 7,156,213,088.78/96,661.69
  6. Step 6: Final answer
    x = 74,033.60

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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.