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Finding the Fourth Proportional to 93,858.76, 140,763.42 and 34,711.36

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Solution

The fourth proportional to 93,858.76, 140,763.42 and 34,711.36 is: 52,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,858.76 : 140,763.42 = 34,711.36 : x
  2. Step 2: Convert to fraction form
    93,858.76/140,763.42 = 34,711.36/x
  3. Step 3: Cross multiply
    93,858.76x = 140,763.42 × 34,711.36
  4. Step 4: Simplify right side
    93,858.76x = 4,886,089,746.45
  5. Step 5: Solve for x
    x = 4,886,089,746.45/93,858.76
  6. Step 6: Final answer
    x = 52,057.90

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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.