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Finding the Fourth Proportional to 188,410.79, 282,647.88 and 62,087.45

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Solution

The fourth proportional to 188,410.79, 282,647.88 and 62,087.45 is: 93,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,410.79 : 282,647.88 = 62,087.45 : x
  2. Step 2: Convert to fraction form
    188,410.79/282,647.88 = 62,087.45/x
  3. Step 3: Cross multiply
    188,410.79x = 282,647.88 × 62,087.45
  4. Step 4: Simplify right side
    188,410.79x = 17,548,884,703.87
  5. Step 5: Solve for x
    x = 17,548,884,703.87/188,410.79
  6. Step 6: Final answer
    x = 93,141.61

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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.