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Finding the Fourth Proportional to 93,698.87, 140,594.47 and 43,782.41

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Solution

The fourth proportional to 93,698.87, 140,594.47 and 43,782.41 is: 65,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,698.87 : 140,594.47 = 43,782.41 : x
  2. Step 2: Convert to fraction form
    93,698.87/140,594.47 = 43,782.41/x
  3. Step 3: Cross multiply
    93,698.87x = 140,594.47 × 43,782.41
  4. Step 4: Simplify right side
    93,698.87x = 6,155,564,971.30
  5. Step 5: Solve for x
    x = 6,155,564,971.30/93,698.87
  6. Step 6: Final answer
    x = 65,695.19

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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.