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Finding the Fourth Proportional to 125,868.58, 188,772.62 and 37,098.10

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Solution

The fourth proportional to 125,868.58, 188,772.62 and 37,098.10 is: 55,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,868.58 : 188,772.62 = 37,098.10 : x
  2. Step 2: Convert to fraction form
    125,868.58/188,772.62 = 37,098.10/x
  3. Step 3: Cross multiply
    125,868.58x = 188,772.62 × 37,098.10
  4. Step 4: Simplify right side
    125,868.58x = 7,003,105,534.02
  5. Step 5: Solve for x
    x = 7,003,105,534.02/125,868.58
  6. Step 6: Final answer
    x = 55,638.23

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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.