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Finding the Fourth Proportional to 162,724.60, 243,611.70 and 116,068.60

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Solution

The fourth proportional to 162,724.60, 243,611.70 and 116,068.60 is: 173,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,724.60 : 243,611.70 = 116,068.60 : x
  2. Step 2: Convert to fraction form
    162,724.60/243,611.70 = 116,068.60/x
  3. Step 3: Cross multiply
    162,724.60x = 243,611.70 × 116,068.60
  4. Step 4: Simplify right side
    162,724.60x = 28,275,668,962.62
  5. Step 5: Solve for x
    x = 28,275,668,962.62/162,724.60
  6. Step 6: Final answer
    x = 173,763.95

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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.