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Finding the Fourth Proportional to 163,663.89, 245,387.09 and 63,833.42

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Solution

The fourth proportional to 163,663.89, 245,387.09 and 63,833.42 is: 95,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,663.89 : 245,387.09 = 63,833.42 : x
  2. Step 2: Convert to fraction form
    163,663.89/245,387.09 = 63,833.42/x
  3. Step 3: Cross multiply
    163,663.89x = 245,387.09 × 63,833.42
  4. Step 4: Simplify right side
    163,663.89x = 15,663,895,632.45
  5. Step 5: Solve for x
    x = 15,663,895,632.45/163,663.89
  6. Step 6: Final answer
    x = 95,707.71

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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.