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Finding the Fourth Proportional to 101,594.22, 140,205.09 and 61,307.31

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Solution

The fourth proportional to 101,594.22, 140,205.09 and 61,307.31 is: 84,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,594.22 : 140,205.09 = 61,307.31 : x
  2. Step 2: Convert to fraction form
    101,594.22/140,205.09 = 61,307.31/x
  3. Step 3: Cross multiply
    101,594.22x = 140,205.09 × 61,307.31
  4. Step 4: Simplify right side
    101,594.22x = 8,595,596,916.21
  5. Step 5: Solve for x
    x = 8,595,596,916.21/101,594.22
  6. Step 6: Final answer
    x = 84,607.15

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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.