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Finding the Fourth Proportional to 88,070.81, 132,104.68 and 61,028.22

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Solution

The fourth proportional to 88,070.81, 132,104.68 and 61,028.22 is: 91,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.81 : 132,104.68 = 61,028.22 : x
  2. Step 2: Convert to fraction form
    88,070.81/132,104.68 = 61,028.22/x
  3. Step 3: Cross multiply
    88,070.81x = 132,104.68 × 61,028.22
  4. Step 4: Simplify right side
    88,070.81x = 8,062,113,031.15
  5. Step 5: Solve for x
    x = 8,062,113,031.15/88,070.81
  6. Step 6: Final answer
    x = 91,541.26

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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.