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Finding the Fourth Proportional to 159,492.60, 239,238.90 and 64,722.60

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Solution

The fourth proportional to 159,492.60, 239,238.90 and 64,722.60 is: 97,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,492.60 : 239,238.90 = 64,722.60 : x
  2. Step 2: Convert to fraction form
    159,492.60/239,238.90 = 64,722.60/x
  3. Step 3: Cross multiply
    159,492.60x = 239,238.90 × 64,722.60
  4. Step 4: Simplify right side
    159,492.60x = 15,484,163,629.14
  5. Step 5: Solve for x
    x = 15,484,163,629.14/159,492.60
  6. Step 6: Final answer
    x = 97,083.90

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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.