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Finding the Fourth Proportional to 271,485.61, 374,670.70 and 150,649.76

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Solution

The fourth proportional to 271,485.61, 374,670.70 and 150,649.76 is: 207,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,485.61 : 374,670.70 = 150,649.76 : x
  2. Step 2: Convert to fraction form
    271,485.61/374,670.70 = 150,649.76/x
  3. Step 3: Cross multiply
    271,485.61x = 374,670.70 × 150,649.76
  4. Step 4: Simplify right side
    271,485.61x = 56,444,051,034.03
  5. Step 5: Solve for x
    x = 56,444,051,034.03/271,485.61
  6. Step 6: Final answer
    x = 207,908.08

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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.