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Finding the Fourth Proportional to 68,603.16, 102,924.18 and 35,347.44

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Solution

The fourth proportional to 68,603.16, 102,924.18 and 35,347.44 is: 53,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,603.16 : 102,924.18 = 35,347.44 : x
  2. Step 2: Convert to fraction form
    68,603.16/102,924.18 = 35,347.44/x
  3. Step 3: Cross multiply
    68,603.16x = 102,924.18 × 35,347.44
  4. Step 4: Simplify right side
    68,603.16x = 3,638,106,277.10
  5. Step 5: Solve for x
    x = 3,638,106,277.10/68,603.16
  6. Step 6: Final answer
    x = 53,031.18

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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.