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Finding the Fourth Proportional to 93,371.86, 140,001.20 and 37,220.50

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Solution

The fourth proportional to 93,371.86, 140,001.20 and 37,220.50 is: 55,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,371.86 : 140,001.20 = 37,220.50 : x
  2. Step 2: Convert to fraction form
    93,371.86/140,001.20 = 37,220.50/x
  3. Step 3: Cross multiply
    93,371.86x = 140,001.20 × 37,220.50
  4. Step 4: Simplify right side
    93,371.86x = 5,210,914,664.60
  5. Step 5: Solve for x
    x = 5,210,914,664.60/93,371.86
  6. Step 6: Final answer
    x = 55,808.19

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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.