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Finding the Fourth Proportional to 192,447.51, 288,640.95 and 64,362.83

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Solution

The fourth proportional to 192,447.51, 288,640.95 and 64,362.83 is: 96,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,447.51 : 288,640.95 = 64,362.83 : x
  2. Step 2: Convert to fraction form
    192,447.51/288,640.95 = 64,362.83/x
  3. Step 3: Cross multiply
    192,447.51x = 288,640.95 × 64,362.83
  4. Step 4: Simplify right side
    192,447.51x = 18,577,746,892.34
  5. Step 5: Solve for x
    x = 18,577,746,892.34/192,447.51
  6. Step 6: Final answer
    x = 96,534.10

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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.