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Finding the Fourth Proportional to 61,055.67, 84,260.71 and 34,199.82

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Solution

The fourth proportional to 61,055.67, 84,260.71 and 34,199.82 is: 47,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,055.67 : 84,260.71 = 34,199.82 : x
  2. Step 2: Convert to fraction form
    61,055.67/84,260.71 = 34,199.82/x
  3. Step 3: Cross multiply
    61,055.67x = 84,260.71 × 34,199.82
  4. Step 4: Simplify right side
    61,055.67x = 2,881,701,115.07
  5. Step 5: Solve for x
    x = 2,881,701,115.07/61,055.67
  6. Step 6: Final answer
    x = 47,197.93

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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.