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Finding the Fourth Proportional to 371,197.44, 556,882.56 and 121,864.32

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Solution

The fourth proportional to 371,197.44, 556,882.56 and 121,864.32 is: 182,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,197.44 : 556,882.56 = 121,864.32 : x
  2. Step 2: Convert to fraction form
    371,197.44/556,882.56 = 121,864.32/x
  3. Step 3: Cross multiply
    371,197.44x = 556,882.56 × 121,864.32
  4. Step 4: Simplify right side
    371,197.44x = 67,864,114,494.26
  5. Step 5: Solve for x
    x = 67,864,114,494.26/371,197.44
  6. Step 6: Final answer
    x = 182,824.85

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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.