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Finding the Fourth Proportional to 159,496.40, 239,244.60 and 48,688.40

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Solution

The fourth proportional to 159,496.40, 239,244.60 and 48,688.40 is: 73,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.40 : 239,244.60 = 48,688.40 : x
  2. Step 2: Convert to fraction form
    159,496.40/239,244.60 = 48,688.40/x
  3. Step 3: Cross multiply
    159,496.40x = 239,244.60 × 48,688.40
  4. Step 4: Simplify right side
    159,496.40x = 11,648,436,782.64
  5. Step 5: Solve for x
    x = 11,648,436,782.64/159,496.40
  6. Step 6: Final answer
    x = 73,032.60

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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.