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Finding the Fourth Proportional to 234,681.69, 351,866.98 and 84,902.50

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Solution

The fourth proportional to 234,681.69, 351,866.98 and 84,902.50 is: 127,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,681.69 : 351,866.98 = 84,902.50 : x
  2. Step 2: Convert to fraction form
    234,681.69/351,866.98 = 84,902.50/x
  3. Step 3: Cross multiply
    234,681.69x = 351,866.98 × 84,902.50
  4. Step 4: Simplify right side
    234,681.69x = 29,874,386,269.45
  5. Step 5: Solve for x
    x = 29,874,386,269.45/234,681.69
  6. Step 6: Final answer
    x = 127,297.47

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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.