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Finding the Fourth Proportional to 60,703.22, 91,096.30 and 21,259.77

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Solution

The fourth proportional to 60,703.22, 91,096.30 and 21,259.77 is: 31,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,703.22 : 91,096.30 = 21,259.77 : x
  2. Step 2: Convert to fraction form
    60,703.22/91,096.30 = 21,259.77/x
  3. Step 3: Cross multiply
    60,703.22x = 91,096.30 × 21,259.77
  4. Step 4: Simplify right side
    60,703.22x = 1,936,685,951.23
  5. Step 5: Solve for x
    x = 1,936,685,951.23/60,703.22
  6. Step 6: Final answer
    x = 31,904.17

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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.