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Finding the Fourth Proportional to 371,175.01, 556,755.68 and 118,453.49

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Solution

The fourth proportional to 371,175.01, 556,755.68 and 118,453.49 is: 177,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,175.01 : 556,755.68 = 118,453.49 : x
  2. Step 2: Convert to fraction form
    371,175.01/556,755.68 = 118,453.49/x
  3. Step 3: Cross multiply
    371,175.01x = 556,755.68 × 118,453.49
  4. Step 4: Simplify right side
    371,175.01x = 65,949,652,307.21
  5. Step 5: Solve for x
    x = 65,949,652,307.21/371,175.01
  6. Step 6: Final answer
    x = 177,678.05

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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.