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Finding the Fourth Proportional to 61,788.02, 93,117.29 and 55,871.64

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Solution

The fourth proportional to 61,788.02, 93,117.29 and 55,871.64 is: 84,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.02 : 93,117.29 = 55,871.64 : x
  2. Step 2: Convert to fraction form
    61,788.02/93,117.29 = 55,871.64/x
  3. Step 3: Cross multiply
    61,788.02x = 93,117.29 × 55,871.64
  4. Step 4: Simplify right side
    61,788.02x = 5,202,615,704.66
  5. Step 5: Solve for x
    x = 5,202,615,704.66/61,788.02
  6. Step 6: Final answer
    x = 84,201.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.