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Finding the Fourth Proportional to 93,710.70, 140,410.53 and 65,950.38

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Solution

The fourth proportional to 93,710.70, 140,410.53 and 65,950.38 is: 98,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,710.70 : 140,410.53 = 65,950.38 : x
  2. Step 2: Convert to fraction form
    93,710.70/140,410.53 = 65,950.38/x
  3. Step 3: Cross multiply
    93,710.70x = 140,410.53 × 65,950.38
  4. Step 4: Simplify right side
    93,710.70x = 9,260,127,809.50
  5. Step 5: Solve for x
    x = 9,260,127,809.50/93,710.70
  6. Step 6: Final answer
    x = 98,816.12

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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.