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Finding the Fourth Proportional to 89,706.51, 134,559.63 and 27,377.01

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Solution

The fourth proportional to 89,706.51, 134,559.63 and 27,377.01 is: 41,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706.51 : 134,559.63 = 27,377.01 : x
  2. Step 2: Convert to fraction form
    89,706.51/134,559.63 = 27,377.01/x
  3. Step 3: Cross multiply
    89,706.51x = 134,559.63 × 27,377.01
  4. Step 4: Simplify right side
    89,706.51x = 3,683,840,336.11
  5. Step 5: Solve for x
    x = 3,683,840,336.11/89,706.51
  6. Step 6: Final answer
    x = 41,065.47

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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.