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Finding the Fourth Proportional to 371,174.98, 556,755.63 and 118,453.47

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Solution

The fourth proportional to 371,174.98, 556,755.63 and 118,453.47 is: 177,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,174.98 : 556,755.63 = 118,453.47 : x
  2. Step 2: Convert to fraction form
    371,174.98/556,755.63 = 118,453.47/x
  3. Step 3: Cross multiply
    371,174.98x = 556,755.63 × 118,453.47
  4. Step 4: Simplify right side
    371,174.98x = 65,949,636,315.54
  5. Step 5: Solve for x
    x = 65,949,636,315.54/371,174.98
  6. Step 6: Final answer
    x = 177,678.02

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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.