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Finding the Fourth Proportional to 59,136, 81,611.01 and 33,987.12

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Solution

The fourth proportional to 59,136, 81,611.01 and 33,987.12 is: 46,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,136 : 81,611.01 = 33,987.12 : x
  2. Step 2: Convert to fraction form
    59,136/81,611.01 = 33,987.12/x
  3. Step 3: Cross multiply
    59,136x = 81,611.01 × 33,987.12
  4. Step 4: Simplify right side
    59,136x = 2,773,723,190.19
  5. Step 5: Solve for x
    x = 2,773,723,190.19/59,136
  6. Step 6: Final answer
    x = 46,904.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.