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Finding the Fourth Proportional to 162,673.47, 244,167.75 and 78,492.83

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Solution

The fourth proportional to 162,673.47, 244,167.75 and 78,492.83 is: 117,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,673.47 : 244,167.75 = 78,492.83 : x
  2. Step 2: Convert to fraction form
    162,673.47/244,167.75 = 78,492.83/x
  3. Step 3: Cross multiply
    162,673.47x = 244,167.75 × 78,492.83
  4. Step 4: Simplify right side
    162,673.47x = 19,165,416,471.39
  5. Step 5: Solve for x
    x = 19,165,416,471.39/162,673.47
  6. Step 6: Final answer
    x = 117,815.26

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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.