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Finding the Fourth Proportional to 245,531, 368,295.44 and 68,037.50

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Solution

The fourth proportional to 245,531, 368,295.44 and 68,037.50 is: 102,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,531 : 368,295.44 = 68,037.50 : x
  2. Step 2: Convert to fraction form
    245,531/368,295.44 = 68,037.50/x
  3. Step 3: Cross multiply
    245,531x = 368,295.44 × 68,037.50
  4. Step 4: Simplify right side
    245,531x = 25,057,900,999
  5. Step 5: Solve for x
    x = 25,057,900,999/245,531
  6. Step 6: Final answer
    x = 102,055.96

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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.