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Finding the Fourth Proportional to 109,378.08, 150,941.88 and 59,077.08

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Solution

The fourth proportional to 109,378.08, 150,941.88 and 59,077.08 is: 81,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,378.08 : 150,941.88 = 59,077.08 : x
  2. Step 2: Convert to fraction form
    109,378.08/150,941.88 = 59,077.08/x
  3. Step 3: Cross multiply
    109,378.08x = 150,941.88 × 59,077.08
  4. Step 4: Simplify right side
    109,378.08x = 8,917,205,520.11
  5. Step 5: Solve for x
    x = 8,917,205,520.11/109,378.08
  6. Step 6: Final answer
    x = 81,526.44

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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.