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Finding the Fourth Proportional to 371,161.28, 556,796.48 and 134,448.32

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Solution

The fourth proportional to 371,161.28, 556,796.48 and 134,448.32 is: 201,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,161.28 : 556,796.48 = 134,448.32 : x
  2. Step 2: Convert to fraction form
    371,161.28/556,796.48 = 134,448.32/x
  3. Step 3: Cross multiply
    371,161.28x = 556,796.48 × 134,448.32
  4. Step 4: Simplify right side
    371,161.28x = 74,860,351,317.91
  5. Step 5: Solve for x
    x = 74,860,351,317.91/371,161.28
  6. Step 6: Final answer
    x = 201,692.24

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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.