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Finding the Fourth Proportional to 96,999, 133,866.32 and 54,560.67

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Solution

The fourth proportional to 96,999, 133,866.32 and 54,560.67 is: 75,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999 : 133,866.32 = 54,560.67 : x
  2. Step 2: Convert to fraction form
    96,999/133,866.32 = 54,560.67/x
  3. Step 3: Cross multiply
    96,999x = 133,866.32 × 54,560.67
  4. Step 4: Simplify right side
    96,999x = 7,303,835,836.83
  5. Step 5: Solve for x
    x = 7,303,835,836.83/96,999
  6. Step 6: Final answer
    x = 75,298.05

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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.