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Finding the Fourth Proportional to 68,585.74, 102,808.44 and 46,401.46

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Solution

The fourth proportional to 68,585.74, 102,808.44 and 46,401.46 is: 69,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.74 : 102,808.44 = 46,401.46 : x
  2. Step 2: Convert to fraction form
    68,585.74/102,808.44 = 46,401.46/x
  3. Step 3: Cross multiply
    68,585.74x = 102,808.44 × 46,401.46
  4. Step 4: Simplify right side
    68,585.74x = 4,770,461,459.30
  5. Step 5: Solve for x
    x = 4,770,461,459.30/68,585.74
  6. Step 6: Final answer
    x = 69,554.72

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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.