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Finding the Fourth Proportional to 118,802.29, 178,188.56 and 38,833.56

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Solution

The fourth proportional to 118,802.29, 178,188.56 and 38,833.56 is: 58,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,802.29 : 178,188.56 = 38,833.56 : x
  2. Step 2: Convert to fraction form
    118,802.29/178,188.56 = 38,833.56/x
  3. Step 3: Cross multiply
    118,802.29x = 178,188.56 × 38,833.56
  4. Step 4: Simplify right side
    118,802.29x = 6,919,695,941.91
  5. Step 5: Solve for x
    x = 6,919,695,941.91/118,802.29
  6. Step 6: Final answer
    x = 58,245.48

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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.