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Finding the Fourth Proportional to 192,447.70, 288,641.23 and 64,363.01

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Solution

The fourth proportional to 192,447.70, 288,641.23 and 64,363.01 is: 96,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,447.70 : 288,641.23 = 64,363.01 : x
  2. Step 2: Convert to fraction form
    192,447.70/288,641.23 = 64,363.01/x
  3. Step 3: Cross multiply
    192,447.70x = 288,641.23 × 64,363.01
  4. Step 4: Simplify right side
    192,447.70x = 18,577,819,054.28
  5. Step 5: Solve for x
    x = 18,577,819,054.28/192,447.70
  6. Step 6: Final answer
    x = 96,534.38

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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.