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Finding the Fourth Proportional to 177,421.68, 244,833.30 and 100,933.56

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Solution

The fourth proportional to 177,421.68, 244,833.30 and 100,933.56 is: 139,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,421.68 : 244,833.30 = 100,933.56 : x
  2. Step 2: Convert to fraction form
    177,421.68/244,833.30 = 100,933.56/x
  3. Step 3: Cross multiply
    177,421.68x = 244,833.30 × 100,933.56
  4. Step 4: Simplify right side
    177,421.68x = 24,711,896,575.55
  5. Step 5: Solve for x
    x = 24,711,896,575.55/177,421.68
  6. Step 6: Final answer
    x = 139,283.41

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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.