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Finding the Fourth Proportional to 61,664.04, 91,954.62 and 61,102.71

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Solution

The fourth proportional to 61,664.04, 91,954.62 and 61,102.71 is: 91,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.04 : 91,954.62 = 61,102.71 : x
  2. Step 2: Convert to fraction form
    61,664.04/91,954.62 = 61,102.71/x
  3. Step 3: Cross multiply
    61,664.04x = 91,954.62 × 61,102.71
  4. Step 4: Simplify right side
    61,664.04x = 5,618,676,479.02
  5. Step 5: Solve for x
    x = 5,618,676,479.02/61,664.04
  6. Step 6: Final answer
    x = 91,117.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.