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Finding the Fourth Proportional to 111,156.39, 153,395.82 and 60,855.39

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Solution

The fourth proportional to 111,156.39, 153,395.82 and 60,855.39 is: 83,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,156.39 : 153,395.82 = 60,855.39 : x
  2. Step 2: Convert to fraction form
    111,156.39/153,395.82 = 60,855.39/x
  3. Step 3: Cross multiply
    111,156.39x = 153,395.82 × 60,855.39
  4. Step 4: Simplify right side
    111,156.39x = 9,334,962,450.47
  5. Step 5: Solve for x
    x = 9,334,962,450.47/111,156.39
  6. Step 6: Final answer
    x = 83,980.44

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