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Finding the Fourth Proportional to 371,168.32, 556,700.64 and 158,021.68

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Solution

The fourth proportional to 371,168.32, 556,700.64 and 158,021.68 is: 237,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,168.32 : 556,700.64 = 158,021.68 : x
  2. Step 2: Convert to fraction form
    371,168.32/556,700.64 = 158,021.68/x
  3. Step 3: Cross multiply
    371,168.32x = 556,700.64 × 158,021.68
  4. Step 4: Simplify right side
    371,168.32x = 87,970,770,389.88
  5. Step 5: Solve for x
    x = 87,970,770,389.88/371,168.32
  6. Step 6: Final answer
    x = 237,010.45

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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.