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Finding the Fourth Proportional to 162,258.96, 243,387.36 and 43,929.84

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Solution

The fourth proportional to 162,258.96, 243,387.36 and 43,929.84 is: 65,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258.96 : 243,387.36 = 43,929.84 : x
  2. Step 2: Convert to fraction form
    162,258.96/243,387.36 = 43,929.84/x
  3. Step 3: Cross multiply
    162,258.96x = 243,387.36 × 43,929.84
  4. Step 4: Simplify right side
    162,258.96x = 10,691,967,782.82
  5. Step 5: Solve for x
    x = 10,691,967,782.82/162,258.96
  6. Step 6: Final answer
    x = 65,894.47

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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.