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Finding the Fourth Proportional to 162,460.60, 243,691.56 and 106,653.83

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Solution

The fourth proportional to 162,460.60, 243,691.56 and 106,653.83 is: 159,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,460.60 : 243,691.56 = 106,653.83 : x
  2. Step 2: Convert to fraction form
    162,460.60/243,691.56 = 106,653.83/x
  3. Step 3: Cross multiply
    162,460.60x = 243,691.56 × 106,653.83
  4. Step 4: Simplify right side
    162,460.60x = 25,990,636,994.22
  5. Step 5: Solve for x
    x = 25,990,636,994.22/162,460.60
  6. Step 6: Final answer
    x = 159,981.17

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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.