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Finding the Fourth Proportional to 58,194.96, 87,300.88 and 18,738.96

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Solution

The fourth proportional to 58,194.96, 87,300.88 and 18,738.96 is: 28,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,194.96 : 87,300.88 = 18,738.96 : x
  2. Step 2: Convert to fraction form
    58,194.96/87,300.88 = 18,738.96/x
  3. Step 3: Cross multiply
    58,194.96x = 87,300.88 × 18,738.96
  4. Step 4: Simplify right side
    58,194.96x = 1,635,927,698.28
  5. Step 5: Solve for x
    x = 1,635,927,698.28/58,194.96
  6. Step 6: Final answer
    x = 28,111.16

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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.