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Finding the Fourth Proportional to 271,899.80, 375,211.28 and 151,048.68

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Solution

The fourth proportional to 271,899.80, 375,211.28 and 151,048.68 is: 208,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,899.80 : 375,211.28 = 151,048.68 : x
  2. Step 2: Convert to fraction form
    271,899.80/375,211.28 = 151,048.68/x
  3. Step 3: Cross multiply
    271,899.80x = 375,211.28 × 151,048.68
  4. Step 4: Simplify right side
    271,899.80x = 56,675,168,565.11
  5. Step 5: Solve for x
    x = 56,675,168,565.11/271,899.80
  6. Step 6: Final answer
    x = 208,441.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.