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Finding the Fourth Proportional to 93,830.68, 140,731.44 and 34,652.89

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Solution

The fourth proportional to 93,830.68, 140,731.44 and 34,652.89 is: 51,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.68 : 140,731.44 = 34,652.89 : x
  2. Step 2: Convert to fraction form
    93,830.68/140,731.44 = 34,652.89/x
  3. Step 3: Cross multiply
    93,830.68x = 140,731.44 × 34,652.89
  4. Step 4: Simplify right side
    93,830.68x = 4,876,751,109.86
  5. Step 5: Solve for x
    x = 4,876,751,109.86/93,830.68
  6. Step 6: Final answer
    x = 51,973.95

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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.