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Finding the Fourth Proportional to 93,889.16, 140,854.86 and 31,557.96

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Solution

The fourth proportional to 93,889.16, 140,854.86 and 31,557.96 is: 47,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,889.16 : 140,854.86 = 31,557.96 : x
  2. Step 2: Convert to fraction form
    93,889.16/140,854.86 = 31,557.96/x
  3. Step 3: Cross multiply
    93,889.16x = 140,854.86 × 31,557.96
  4. Step 4: Simplify right side
    93,889.16x = 4,445,092,037.69
  5. Step 5: Solve for x
    x = 4,445,092,037.69/93,889.16
  6. Step 6: Final answer
    x = 47,344.04

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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.