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Finding the Fourth Proportional to 69,689.96, 104,008.29 and 62,963.93

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Solution

The fourth proportional to 69,689.96, 104,008.29 and 62,963.93 is: 93,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,689.96 : 104,008.29 = 62,963.93 : x
  2. Step 2: Convert to fraction form
    69,689.96/104,008.29 = 62,963.93/x
  3. Step 3: Cross multiply
    69,689.96x = 104,008.29 × 62,963.93
  4. Step 4: Simplify right side
    69,689.96x = 6,548,770,407.05
  5. Step 5: Solve for x
    x = 6,548,770,407.05/69,689.96
  6. Step 6: Final answer
    x = 93,970.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.