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Finding the Fourth Proportional to 125,898.68, 188,850.02 and 70,093.49

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Solution

The fourth proportional to 125,898.68, 188,850.02 and 70,093.49 is: 105,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,898.68 : 188,850.02 = 70,093.49 : x
  2. Step 2: Convert to fraction form
    125,898.68/188,850.02 = 70,093.49/x
  3. Step 3: Cross multiply
    125,898.68x = 188,850.02 × 70,093.49
  4. Step 4: Simplify right side
    125,898.68x = 13,237,155,693.65
  5. Step 5: Solve for x
    x = 13,237,155,693.65/125,898.68
  6. Step 6: Final answer
    x = 105,141.34

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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.