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Finding the Fourth Proportional to 272,851.60, 376,546.55 and 151,992.86

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Solution

The fourth proportional to 272,851.60, 376,546.55 and 151,992.86 is: 209,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,851.60 : 376,546.55 = 151,992.86 : x
  2. Step 2: Convert to fraction form
    272,851.60/376,546.55 = 151,992.86/x
  3. Step 3: Cross multiply
    272,851.60x = 376,546.55 × 151,992.86
  4. Step 4: Simplify right side
    272,851.60x = 57,232,385,804.24
  5. Step 5: Solve for x
    x = 57,232,385,804.24/272,851.60
  6. Step 6: Final answer
    x = 209,756.46

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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.