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Finding the Fourth Proportional to 93,900.76, 140,855.98 and 23,780.68

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Solution

The fourth proportional to 93,900.76, 140,855.98 and 23,780.68 is: 35,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,900.76 : 140,855.98 = 23,780.68 : x
  2. Step 2: Convert to fraction form
    93,900.76/140,855.98 = 23,780.68/x
  3. Step 3: Cross multiply
    93,900.76x = 140,855.98 × 23,780.68
  4. Step 4: Simplify right side
    93,900.76x = 3,349,650,986.47
  5. Step 5: Solve for x
    x = 3,349,650,986.47/93,900.76
  6. Step 6: Final answer
    x = 35,672.25

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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.