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Finding the Fourth Proportional to 68,597.84, 102,908.28 and 23,617.40

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Solution

The fourth proportional to 68,597.84, 102,908.28 and 23,617.40 is: 35,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,597.84 : 102,908.28 = 23,617.40 : x
  2. Step 2: Convert to fraction form
    68,597.84/102,908.28 = 23,617.40/x
  3. Step 3: Cross multiply
    68,597.84x = 102,908.28 × 23,617.40
  4. Step 4: Simplify right side
    68,597.84x = 2,430,426,012.07
  5. Step 5: Solve for x
    x = 2,430,426,012.07/68,597.84
  6. Step 6: Final answer
    x = 35,430.07

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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.