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Finding the Fourth Proportional to 159,465.60, 238,910.40 and 92,851.20

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Solution

The fourth proportional to 159,465.60, 238,910.40 and 92,851.20 is: 139,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,465.60 : 238,910.40 = 92,851.20 : x
  2. Step 2: Convert to fraction form
    159,465.60/238,910.40 = 92,851.20/x
  3. Step 3: Cross multiply
    159,465.60x = 238,910.40 × 92,851.20
  4. Step 4: Simplify right side
    159,465.60x = 22,183,117,332.48
  5. Step 5: Solve for x
    x = 22,183,117,332.48/159,465.60
  6. Step 6: Final answer
    x = 139,109.11

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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.