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Finding the Fourth Proportional to 188,657.43, 282,888.77 and 55,520.40

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Solution

The fourth proportional to 188,657.43, 282,888.77 and 55,520.40 is: 83,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,657.43 : 282,888.77 = 55,520.40 : x
  2. Step 2: Convert to fraction form
    188,657.43/282,888.77 = 55,520.40/x
  3. Step 3: Cross multiply
    188,657.43x = 282,888.77 × 55,520.40
  4. Step 4: Simplify right side
    188,657.43x = 15,706,097,388.31
  5. Step 5: Solve for x
    x = 15,706,097,388.31/188,657.43
  6. Step 6: Final answer
    x = 83,251.94

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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.