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Finding the Fourth Proportional to 104,671.81, 157,324.92 and 69,253.93

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Solution

The fourth proportional to 104,671.81, 157,324.92 and 69,253.93 is: 104,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,671.81 : 157,324.92 = 69,253.93 : x
  2. Step 2: Convert to fraction form
    104,671.81/157,324.92 = 69,253.93/x
  3. Step 3: Cross multiply
    104,671.81x = 157,324.92 × 69,253.93
  4. Step 4: Simplify right side
    104,671.81x = 10,895,368,996.94
  5. Step 5: Solve for x
    x = 10,895,368,996.94/104,671.81
  6. Step 6: Final answer
    x = 104,090.77

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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.