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Finding the Fourth Proportional to 272,851.83, 409,333.23 and 115,080.84

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Solution

The fourth proportional to 272,851.83, 409,333.23 and 115,080.84 is: 172,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,851.83 : 409,333.23 = 115,080.84 : x
  2. Step 2: Convert to fraction form
    272,851.83/409,333.23 = 115,080.84/x
  3. Step 3: Cross multiply
    272,851.83x = 409,333.23 × 115,080.84
  4. Step 4: Simplify right side
    272,851.83x = 47,106,411,948.31
  5. Step 5: Solve for x
    x = 47,106,411,948.31/272,851.83
  6. Step 6: Final answer
    x = 172,644.66

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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.