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Finding the Fourth Proportional to 93,403.13, 140,105.90 and 31,073.63

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Solution

The fourth proportional to 93,403.13, 140,105.90 and 31,073.63 is: 46,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,403.13 : 140,105.90 = 31,073.63 : x
  2. Step 2: Convert to fraction form
    93,403.13/140,105.90 = 31,073.63/x
  3. Step 3: Cross multiply
    93,403.13x = 140,105.90 × 31,073.63
  4. Step 4: Simplify right side
    93,403.13x = 4,353,598,274.57
  5. Step 5: Solve for x
    x = 4,353,598,274.57/93,403.13
  6. Step 6: Final answer
    x = 46,610.84

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1.5x scale

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.