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Finding the Fourth Proportional to 271,847.50, 375,149.56 and 152,615.50

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Solution

The fourth proportional to 271,847.50, 375,149.56 and 152,615.50 is: 210,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,847.50 : 375,149.56 = 152,615.50 : x
  2. Step 2: Convert to fraction form
    271,847.50/375,149.56 = 152,615.50/x
  3. Step 3: Cross multiply
    271,847.50x = 375,149.56 × 152,615.50
  4. Step 4: Simplify right side
    271,847.50x = 57,253,637,674.18
  5. Step 5: Solve for x
    x = 57,253,637,674.18/271,847.50
  6. Step 6: Final answer
    x = 210,609.40

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1.5x scale

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.