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Finding the Fourth Proportional to 272,586.64, 376,166.88 and 151,726

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Solution

The fourth proportional to 272,586.64, 376,166.88 and 151,726 is: 209,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,586.64 : 376,166.88 = 151,726 : x
  2. Step 2: Convert to fraction form
    272,586.64/376,166.88 = 151,726/x
  3. Step 3: Cross multiply
    272,586.64x = 376,166.88 × 151,726
  4. Step 4: Simplify right side
    272,586.64x = 57,074,296,034.88
  5. Step 5: Solve for x
    x = 57,074,296,034.88/272,586.64
  6. Step 6: Final answer
    x = 209,380.39

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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.