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Finding the Fourth Proportional to 168,282.47, 232,230.47 and 91,803.20

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Solution

The fourth proportional to 168,282.47, 232,230.47 and 91,803.20 is: 126,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,282.47 : 232,230.47 = 91,803.20 : x
  2. Step 2: Convert to fraction form
    168,282.47/232,230.47 = 91,803.20/x
  3. Step 3: Cross multiply
    168,282.47x = 232,230.47 × 91,803.20
  4. Step 4: Simplify right side
    168,282.47x = 21,319,498,663.34
  5. Step 5: Solve for x
    x = 21,319,498,663.34/168,282.47
  6. Step 6: Final answer
    x = 126,688.77

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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.