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Finding the Fourth Proportional to 79,730.54, 110,024.61 and 45,714.68

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Solution

The fourth proportional to 79,730.54, 110,024.61 and 45,714.68 is: 63,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,730.54 : 110,024.61 = 45,714.68 : x
  2. Step 2: Convert to fraction form
    79,730.54/110,024.61 = 45,714.68/x
  3. Step 3: Cross multiply
    79,730.54x = 110,024.61 × 45,714.68
  4. Step 4: Simplify right side
    79,730.54x = 5,029,739,838.27
  5. Step 5: Solve for x
    x = 5,029,739,838.27/79,730.54
  6. Step 6: Final answer
    x = 63,084.23

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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.