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Finding the Fourth Proportional to 93,140.70, 139,716.11 and 26,575.71

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Solution

The fourth proportional to 93,140.70, 139,716.11 and 26,575.71 is: 39,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.70 : 139,716.11 = 26,575.71 : x
  2. Step 2: Convert to fraction form
    93,140.70/139,716.11 = 26,575.71/x
  3. Step 3: Cross multiply
    93,140.70x = 139,716.11 × 26,575.71
  4. Step 4: Simplify right side
    93,140.70x = 3,713,054,821.69
  5. Step 5: Solve for x
    x = 3,713,054,821.69/93,140.70
  6. Step 6: Final answer
    x = 39,865.01

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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.