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Finding the Fourth Proportional to 113,068.68, 169,603 and 66,296.04

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Solution

The fourth proportional to 113,068.68, 169,603 and 66,296.04 is: 99,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,068.68 : 169,603 = 66,296.04 : x
  2. Step 2: Convert to fraction form
    113,068.68/169,603 = 66,296.04/x
  3. Step 3: Cross multiply
    113,068.68x = 169,603 × 66,296.04
  4. Step 4: Simplify right side
    113,068.68x = 11,244,007,272.12
  5. Step 5: Solve for x
    x = 11,244,007,272.12/113,068.68
  6. Step 6: Final answer
    x = 99,444.05

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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.