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Finding the Fourth Proportional to 68,313.45, 101,783.32 and 64,493.72

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Solution

The fourth proportional to 68,313.45, 101,783.32 and 64,493.72 is: 96,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.45 : 101,783.32 = 64,493.72 : x
  2. Step 2: Convert to fraction form
    68,313.45/101,783.32 = 64,493.72/x
  3. Step 3: Cross multiply
    68,313.45x = 101,783.32 × 64,493.72
  4. Step 4: Simplify right side
    68,313.45x = 6,564,384,924.37
  5. Step 5: Solve for x
    x = 6,564,384,924.37/68,313.45
  6. Step 6: Final answer
    x = 96,092.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.