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Finding the Fourth Proportional to 93,400.59, 140,051.37 and 40,748.57

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Solution

The fourth proportional to 93,400.59, 140,051.37 and 40,748.57 is: 61,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,400.59 : 140,051.37 = 40,748.57 : x
  2. Step 2: Convert to fraction form
    93,400.59/140,051.37 = 40,748.57/x
  3. Step 3: Cross multiply
    93,400.59x = 140,051.37 × 40,748.57
  4. Step 4: Simplify right side
    93,400.59x = 5,706,892,353.78
  5. Step 5: Solve for x
    x = 5,706,892,353.78/93,400.59
  6. Step 6: Final answer
    x = 61,101.25

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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.