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Finding the Fourth Proportional to 188,433.81, 282,955.19 and 124,494.82

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Solution

The fourth proportional to 188,433.81, 282,955.19 and 124,494.82 is: 186,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,433.81 : 282,955.19 = 124,494.82 : x
  2. Step 2: Convert to fraction form
    188,433.81/282,955.19 = 124,494.82/x
  3. Step 3: Cross multiply
    188,433.81x = 282,955.19 × 124,494.82
  4. Step 4: Simplify right side
    188,433.81x = 35,226,454,117.25
  5. Step 5: Solve for x
    x = 35,226,454,117.25/188,433.81
  6. Step 6: Final answer
    x = 186,943.38

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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.