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Finding the Fourth Proportional to 162,924.70, 244,387.05 and 109,780.60

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Solution

The fourth proportional to 162,924.70, 244,387.05 and 109,780.60 is: 164,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,924.70 : 244,387.05 = 109,780.60 : x
  2. Step 2: Convert to fraction form
    162,924.70/244,387.05 = 109,780.60/x
  3. Step 3: Cross multiply
    162,924.70x = 244,387.05 × 109,780.60
  4. Step 4: Simplify right side
    162,924.70x = 26,828,956,981.23
  5. Step 5: Solve for x
    x = 26,828,956,981.23/162,924.70
  6. Step 6: Final answer
    x = 164,670.90

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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.