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Finding the Fourth Proportional to 272,892.60, 376,619.49 and 152,053.56

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Solution

The fourth proportional to 272,892.60, 376,619.49 and 152,053.56 is: 209,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,892.60 : 376,619.49 = 152,053.56 : x
  2. Step 2: Convert to fraction form
    272,892.60/376,619.49 = 152,053.56/x
  3. Step 3: Cross multiply
    272,892.60x = 376,619.49 × 152,053.56
  4. Step 4: Simplify right side
    272,892.60x = 57,266,334,219.88
  5. Step 5: Solve for x
    x = 57,266,334,219.88/272,892.60
  6. Step 6: Final answer
    x = 209,849.35

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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.