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Finding the Fourth Proportional to 101,804.13, 140,493.46 and 61,510.11

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Solution

The fourth proportional to 101,804.13, 140,493.46 and 61,510.11 is: 84,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,804.13 : 140,493.46 = 61,510.11 : x
  2. Step 2: Convert to fraction form
    101,804.13/140,493.46 = 61,510.11/x
  3. Step 3: Cross multiply
    101,804.13x = 140,493.46 × 61,510.11
  4. Step 4: Simplify right side
    101,804.13x = 8,641,767,922.23
  5. Step 5: Solve for x
    x = 8,641,767,922.23/101,804.13
  6. Step 6: Final answer
    x = 84,886.22

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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.