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Finding the Fourth Proportional to 271,849.50, 375,152.32 and 152,617.50

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Solution

The fourth proportional to 271,849.50, 375,152.32 and 152,617.50 is: 210,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,849.50 : 375,152.32 = 152,617.50 : x
  2. Step 2: Convert to fraction form
    271,849.50/375,152.32 = 152,617.50/x
  3. Step 3: Cross multiply
    271,849.50x = 375,152.32 × 152,617.50
  4. Step 4: Simplify right side
    271,849.50x = 57,254,809,197.60
  5. Step 5: Solve for x
    x = 57,254,809,197.60/271,849.50
  6. Step 6: Final answer
    x = 210,612.16

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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.