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Finding the Fourth Proportional to 93,911.18, 140,633.08 and 65,699.17

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Solution

The fourth proportional to 93,911.18, 140,633.08 and 65,699.17 is: 98,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,911.18 : 140,633.08 = 65,699.17 : x
  2. Step 2: Convert to fraction form
    93,911.18/140,633.08 = 65,699.17/x
  3. Step 3: Cross multiply
    93,911.18x = 140,633.08 × 65,699.17
  4. Step 4: Simplify right side
    93,911.18x = 9,239,475,927.38
  5. Step 5: Solve for x
    x = 9,239,475,927.38/93,911.18
  6. Step 6: Final answer
    x = 98,385.27

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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.