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Finding the Fourth Proportional to 93,602.81, 140,404.23 and 31,273.31

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Solution

The fourth proportional to 93,602.81, 140,404.23 and 31,273.31 is: 46,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602.81 : 140,404.23 = 31,273.31 : x
  2. Step 2: Convert to fraction form
    93,602.81/140,404.23 = 31,273.31/x
  3. Step 3: Cross multiply
    93,602.81x = 140,404.23 × 31,273.31
  4. Step 4: Simplify right side
    93,602.81x = 4,390,905,361.11
  5. Step 5: Solve for x
    x = 4,390,905,361.11/93,602.81
  6. Step 6: Final answer
    x = 46,909.97

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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.