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Finding the Fourth Proportional to 107,689.49, 148,608.92 and 59,941.81

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Solution

The fourth proportional to 107,689.49, 148,608.92 and 59,941.81 is: 82,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,689.49 : 148,608.92 = 59,941.81 : x
  2. Step 2: Convert to fraction form
    107,689.49/148,608.92 = 59,941.81/x
  3. Step 3: Cross multiply
    107,689.49x = 148,608.92 × 59,941.81
  4. Step 4: Simplify right side
    107,689.49x = 8,907,887,646.95
  5. Step 5: Solve for x
    x = 8,907,887,646.95/107,689.49
  6. Step 6: Final answer
    x = 82,718.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.