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Finding the Fourth Proportional to 93,835.83, 140,400.61 and 65,810.59

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Solution

The fourth proportional to 93,835.83, 140,400.61 and 65,810.59 is: 98,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,835.83 : 140,400.61 = 65,810.59 : x
  2. Step 2: Convert to fraction form
    93,835.83/140,400.61 = 65,810.59/x
  3. Step 3: Cross multiply
    93,835.83x = 140,400.61 × 65,810.59
  4. Step 4: Simplify right side
    93,835.83x = 9,239,846,464.93
  5. Step 5: Solve for x
    x = 9,239,846,464.93/93,835.83
  6. Step 6: Final answer
    x = 98,468.21

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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.