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Finding the Fourth Proportional to 192,537.60, 288,806.40 and 145,881.60

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Solution

The fourth proportional to 192,537.60, 288,806.40 and 145,881.60 is: 218,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,537.60 : 288,806.40 = 145,881.60 : x
  2. Step 2: Convert to fraction form
    192,537.60/288,806.40 = 145,881.60/x
  3. Step 3: Cross multiply
    192,537.60x = 288,806.40 × 145,881.60
  4. Step 4: Simplify right side
    192,537.60x = 42,131,539,722.24
  5. Step 5: Solve for x
    x = 42,131,539,722.24/192,537.60
  6. Step 6: Final answer
    x = 218,822.40

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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.