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Finding the Fourth Proportional to 99,600.98, 137,583.51 and 92,515.10

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Solution

The fourth proportional to 99,600.98, 137,583.51 and 92,515.10 is: 127,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.98 : 137,583.51 = 92,515.10 : x
  2. Step 2: Convert to fraction form
    99,600.98/137,583.51 = 92,515.10/x
  3. Step 3: Cross multiply
    99,600.98x = 137,583.51 × 92,515.10
  4. Step 4: Simplify right side
    99,600.98x = 12,728,552,186.00
  5. Step 5: Solve for x
    x = 12,728,552,186.00/99,600.98
  6. Step 6: Final answer
    x = 127,795.45

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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.