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Finding the Fourth Proportional to 125,826.84, 188,703.18 and 37,078.38

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Solution

The fourth proportional to 125,826.84, 188,703.18 and 37,078.38 is: 55,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,826.84 : 188,703.18 = 37,078.38 : x
  2. Step 2: Convert to fraction form
    125,826.84/188,703.18 = 37,078.38/x
  3. Step 3: Cross multiply
    125,826.84x = 188,703.18 × 37,078.38
  4. Step 4: Simplify right side
    125,826.84x = 6,996,808,215.25
  5. Step 5: Solve for x
    x = 6,996,808,215.25/125,826.84
  6. Step 6: Final answer
    x = 55,606.64

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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.