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Finding the Fourth Proportional to 93,695.60, 140,534.76 and 31,366.64

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Solution

The fourth proportional to 93,695.60, 140,534.76 and 31,366.64 is: 47,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,695.60 : 140,534.76 = 31,366.64 : x
  2. Step 2: Convert to fraction form
    93,695.60/140,534.76 = 31,366.64/x
  3. Step 3: Cross multiply
    93,695.60x = 140,534.76 × 31,366.64
  4. Step 4: Simplify right side
    93,695.60x = 4,408,103,224.41
  5. Step 5: Solve for x
    x = 4,408,103,224.41/93,695.60
  6. Step 6: Final answer
    x = 47,047.07

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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.