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Finding the Fourth Proportional to 271,851, 375,154.38 and 152,619

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Solution

The fourth proportional to 271,851, 375,154.38 and 152,619 is: 210,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,851 : 375,154.38 = 152,619 : x
  2. Step 2: Convert to fraction form
    271,851/375,154.38 = 152,619/x
  3. Step 3: Cross multiply
    271,851x = 375,154.38 × 152,619
  4. Step 4: Simplify right side
    271,851x = 57,255,686,321.22
  5. Step 5: Solve for x
    x = 57,255,686,321.22/271,851
  6. Step 6: Final answer
    x = 210,614.22

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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.