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Finding the Fourth Proportional to 188,045.34, 282,068.97 and 63,387.42

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Solution

The fourth proportional to 188,045.34, 282,068.97 and 63,387.42 is: 95,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.34 : 282,068.97 = 63,387.42 : x
  2. Step 2: Convert to fraction form
    188,045.34/282,068.97 = 63,387.42/x
  3. Step 3: Cross multiply
    188,045.34x = 282,068.97 × 63,387.42
  4. Step 4: Simplify right side
    188,045.34x = 17,879,624,270.36
  5. Step 5: Solve for x
    x = 17,879,624,270.36/188,045.34
  6. Step 6: Final answer
    x = 95,081.45

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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.