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Finding the Fourth Proportional to 151,874.10, 227,811.15 and 46,679.40

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Solution

The fourth proportional to 151,874.10, 227,811.15 and 46,679.40 is: 70,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,874.10 : 227,811.15 = 46,679.40 : x
  2. Step 2: Convert to fraction form
    151,874.10/227,811.15 = 46,679.40/x
  3. Step 3: Cross multiply
    151,874.10x = 227,811.15 × 46,679.40
  4. Step 4: Simplify right side
    151,874.10x = 10,634,087,795.31
  5. Step 5: Solve for x
    x = 10,634,087,795.31/151,874.10
  6. Step 6: Final answer
    x = 70,019.10

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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.