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Finding the Fourth Proportional to 340,091.88, 510,133.34 and 152,971.24

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Solution

The fourth proportional to 340,091.88, 510,133.34 and 152,971.24 is: 229,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,091.88 : 510,133.34 = 152,971.24 : x
  2. Step 2: Convert to fraction form
    340,091.88/510,133.34 = 152,971.24/x
  3. Step 3: Cross multiply
    340,091.88x = 510,133.34 × 152,971.24
  4. Step 4: Simplify right side
    340,091.88x = 78,035,729,585.14
  5. Step 5: Solve for x
    x = 78,035,729,585.14/340,091.88
  6. Step 6: Final answer
    x = 229,454.84

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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.