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Finding the Fourth Proportional to 118,194.93, 163,079.93 and 75,810.87

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Solution

The fourth proportional to 118,194.93, 163,079.93 and 75,810.87 is: 104,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.93 : 163,079.93 = 75,810.87 : x
  2. Step 2: Convert to fraction form
    118,194.93/163,079.93 = 75,810.87/x
  3. Step 3: Cross multiply
    118,194.93x = 163,079.93 × 75,810.87
  4. Step 4: Simplify right side
    118,194.93x = 12,363,231,562.37
  5. Step 5: Solve for x
    x = 12,363,231,562.37/118,194.93
  6. Step 6: Final answer
    x = 104,600.35

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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.