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Finding the Fourth Proportional to 61,899.93, 92,698.47 and 55,909.47

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Solution

The fourth proportional to 61,899.93, 92,698.47 and 55,909.47 is: 83,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.93 : 92,698.47 = 55,909.47 : x
  2. Step 2: Convert to fraction form
    61,899.93/92,698.47 = 55,909.47/x
  3. Step 3: Cross multiply
    61,899.93x = 92,698.47 × 55,909.47
  4. Step 4: Simplify right side
    61,899.93x = 5,182,722,327.51
  5. Step 5: Solve for x
    x = 5,182,722,327.51/61,899.93
  6. Step 6: Final answer
    x = 83,727.43

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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.