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Finding the Fourth Proportional to 79,497.75, 109,706.54 and 45,506.05

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Solution

The fourth proportional to 79,497.75, 109,706.54 and 45,506.05 is: 62,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,497.75 : 109,706.54 = 45,506.05 : x
  2. Step 2: Convert to fraction form
    79,497.75/109,706.54 = 45,506.05/x
  3. Step 3: Cross multiply
    79,497.75x = 109,706.54 × 45,506.05
  4. Step 4: Simplify right side
    79,497.75x = 4,992,310,518.50
  5. Step 5: Solve for x
    x = 4,992,310,518.50/79,497.75
  6. Step 6: Final answer
    x = 62,798.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.