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Finding the Fourth Proportional to 216,800.37, 325,248.39 and 64,991.43

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Solution

The fourth proportional to 216,800.37, 325,248.39 and 64,991.43 is: 97,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,800.37 : 325,248.39 = 64,991.43 : x
  2. Step 2: Convert to fraction form
    216,800.37/325,248.39 = 64,991.43/x
  3. Step 3: Cross multiply
    216,800.37x = 325,248.39 × 64,991.43
  4. Step 4: Simplify right side
    216,800.37x = 21,138,357,971.30
  5. Step 5: Solve for x
    x = 21,138,357,971.30/216,800.37
  6. Step 6: Final answer
    x = 97,501.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.