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Finding the Fourth Proportional to 68,487.80, 102,547.08 and 44,736.52

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Solution

The fourth proportional to 68,487.80, 102,547.08 and 44,736.52 is: 66,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,487.80 : 102,547.08 = 44,736.52 : x
  2. Step 2: Convert to fraction form
    68,487.80/102,547.08 = 44,736.52/x
  3. Step 3: Cross multiply
    68,487.80x = 102,547.08 × 44,736.52
  4. Step 4: Simplify right side
    68,487.80x = 4,587,599,495.36
  5. Step 5: Solve for x
    x = 4,587,599,495.36/68,487.80
  6. Step 6: Final answer
    x = 66,984.19

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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.