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Finding the Fourth Proportional to 61,703.88, 92,029.36 and 60,637.72

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Solution

The fourth proportional to 61,703.88, 92,029.36 and 60,637.72 is: 90,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.88 : 92,029.36 = 60,637.72 : x
  2. Step 2: Convert to fraction form
    61,703.88/92,029.36 = 60,637.72/x
  3. Step 3: Cross multiply
    61,703.88x = 92,029.36 × 60,637.72
  4. Step 4: Simplify right side
    61,703.88x = 5,580,450,563.46
  5. Step 5: Solve for x
    x = 5,580,450,563.46/61,703.88
  6. Step 6: Final answer
    x = 90,439.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.