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Finding the Fourth Proportional to 188,924.34, 260,769.17 and 124,440.64

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Solution

The fourth proportional to 188,924.34, 260,769.17 and 124,440.64 is: 171,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,924.34 : 260,769.17 = 124,440.64 : x
  2. Step 2: Convert to fraction form
    188,924.34/260,769.17 = 124,440.64/x
  3. Step 3: Cross multiply
    188,924.34x = 260,769.17 × 124,440.64
  4. Step 4: Simplify right side
    188,924.34x = 32,450,282,378.89
  5. Step 5: Solve for x
    x = 32,450,282,378.89/188,924.34
  6. Step 6: Final answer
    x = 171,763.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.