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Finding the Fourth Proportional to 125,877.54, 188,947.53 and 55,806.06

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Solution

The fourth proportional to 125,877.54, 188,947.53 and 55,806.06 is: 83,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.54 : 188,947.53 = 55,806.06 : x
  2. Step 2: Convert to fraction form
    125,877.54/188,947.53 = 55,806.06/x
  3. Step 3: Cross multiply
    125,877.54x = 188,947.53 × 55,806.06
  4. Step 4: Simplify right side
    125,877.54x = 10,544,417,196.03
  5. Step 5: Solve for x
    x = 10,544,417,196.03/125,877.54
  6. Step 6: Final answer
    x = 83,767.26

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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.