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Finding the Fourth Proportional to 151,700.90, 227,551.35 and 92,651.90

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Solution

The fourth proportional to 151,700.90, 227,551.35 and 92,651.90 is: 138,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,700.90 : 227,551.35 = 92,651.90 : x
  2. Step 2: Convert to fraction form
    151,700.90/227,551.35 = 92,651.90/x
  3. Step 3: Cross multiply
    151,700.90x = 227,551.35 × 92,651.90
  4. Step 4: Simplify right side
    151,700.90x = 21,083,064,925.07
  5. Step 5: Solve for x
    x = 21,083,064,925.07/151,700.90
  6. Step 6: Final answer
    x = 138,977.85

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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.