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Finding the Fourth Proportional to 75,094, 112,751.76 and 41,878.96

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Solution

The fourth proportional to 75,094, 112,751.76 and 41,878.96 is: 62,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,094 : 112,751.76 = 41,878.96 : x
  2. Step 2: Convert to fraction form
    75,094/112,751.76 = 41,878.96/x
  3. Step 3: Cross multiply
    75,094x = 112,751.76 × 41,878.96
  4. Step 4: Simplify right side
    75,094x = 4,721,926,446.97
  5. Step 5: Solve for x
    x = 4,721,926,446.97/75,094
  6. Step 6: Final answer
    x = 62,880.21

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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.