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Finding the Fourth Proportional to 99,798.76, 137,739.38 and 95,314.60

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Solution

The fourth proportional to 99,798.76, 137,739.38 and 95,314.60 is: 131,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,798.76 : 137,739.38 = 95,314.60 : x
  2. Step 2: Convert to fraction form
    99,798.76/137,739.38 = 95,314.60/x
  3. Step 3: Cross multiply
    99,798.76x = 137,739.38 × 95,314.60
  4. Step 4: Simplify right side
    99,798.76x = 13,128,573,908.95
  5. Step 5: Solve for x
    x = 13,128,573,908.95/99,798.76
  6. Step 6: Final answer
    x = 131,550.47

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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.