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Finding the Fourth Proportional to 93,357.60, 139,994.28 and 26,782.62

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Solution

The fourth proportional to 93,357.60, 139,994.28 and 26,782.62 is: 40,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,357.60 : 139,994.28 = 26,782.62 : x
  2. Step 2: Convert to fraction form
    93,357.60/139,994.28 = 26,782.62/x
  3. Step 3: Cross multiply
    93,357.60x = 139,994.28 × 26,782.62
  4. Step 4: Simplify right side
    93,357.60x = 3,749,413,603.41
  5. Step 5: Solve for x
    x = 3,749,413,603.41/93,357.60
  6. Step 6: Final answer
    x = 40,161.85

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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.