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Finding the Fourth Proportional to 111,871.60, 167,634.60 and 97,010.80

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Solution

The fourth proportional to 111,871.60, 167,634.60 and 97,010.80 is: 145,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,871.60 : 167,634.60 = 97,010.80 : x
  2. Step 2: Convert to fraction form
    111,871.60/167,634.60 = 97,010.80/x
  3. Step 3: Cross multiply
    111,871.60x = 167,634.60 × 97,010.80
  4. Step 4: Simplify right side
    111,871.60x = 16,262,366,653.68
  5. Step 5: Solve for x
    x = 16,262,366,653.68/111,871.60
  6. Step 6: Final answer
    x = 145,366.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.