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Finding the Fourth Proportional to 192,753.60, 288,838.80 and 163,010.40

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Solution

The fourth proportional to 192,753.60, 288,838.80 and 163,010.40 is: 244,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,753.60 : 288,838.80 = 163,010.40 : x
  2. Step 2: Convert to fraction form
    192,753.60/288,838.80 = 163,010.40/x
  3. Step 3: Cross multiply
    192,753.60x = 288,838.80 × 163,010.40
  4. Step 4: Simplify right side
    192,753.60x = 47,083,728,323.52
  5. Step 5: Solve for x
    x = 47,083,728,323.52/192,753.60
  6. Step 6: Final answer
    x = 244,269.00

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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.