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Finding the Fourth Proportional to 68,366.53, 102,549.75 and 35,068.06

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Solution

The fourth proportional to 68,366.53, 102,549.75 and 35,068.06 is: 52,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366.53 : 102,549.75 = 35,068.06 : x
  2. Step 2: Convert to fraction form
    68,366.53/102,549.75 = 35,068.06/x
  3. Step 3: Cross multiply
    68,366.53x = 102,549.75 × 35,068.06
  4. Step 4: Simplify right side
    68,366.53x = 3,596,220,785.99
  5. Step 5: Solve for x
    x = 3,596,220,785.99/68,366.53
  6. Step 6: Final answer
    x = 52,602.07

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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.