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Finding the Fourth Proportional to 157,492.68, 236,269.44 and 50,905.32

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Solution

The fourth proportional to 157,492.68, 236,269.44 and 50,905.32 is: 76,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.68 : 236,269.44 = 50,905.32 : x
  2. Step 2: Convert to fraction form
    157,492.68/236,269.44 = 50,905.32/x
  3. Step 3: Cross multiply
    157,492.68x = 236,269.44 × 50,905.32
  4. Step 4: Simplify right side
    157,492.68x = 12,027,371,449.42
  5. Step 5: Solve for x
    x = 12,027,371,449.42/157,492.68
  6. Step 6: Final answer
    x = 76,367.81

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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.