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Finding the Fourth Proportional to 58,076.52, 87,119.10 and 29,979.03

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Solution

The fourth proportional to 58,076.52, 87,119.10 and 29,979.03 is: 44,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,076.52 : 87,119.10 = 29,979.03 : x
  2. Step 2: Convert to fraction form
    58,076.52/87,119.10 = 29,979.03/x
  3. Step 3: Cross multiply
    58,076.52x = 87,119.10 × 29,979.03
  4. Step 4: Simplify right side
    58,076.52x = 2,611,746,112.47
  5. Step 5: Solve for x
    x = 2,611,746,112.47/58,076.52
  6. Step 6: Final answer
    x = 44,970.77

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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.