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Finding the Fourth Proportional to 291,254.96, 436,987.62 and 101,743.32

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Solution

The fourth proportional to 291,254.96, 436,987.62 and 101,743.32 is: 152,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,254.96 : 436,987.62 = 101,743.32 : x
  2. Step 2: Convert to fraction form
    291,254.96/436,987.62 = 101,743.32/x
  3. Step 3: Cross multiply
    291,254.96x = 436,987.62 × 101,743.32
  4. Step 4: Simplify right side
    291,254.96x = 44,460,571,257.70
  5. Step 5: Solve for x
    x = 44,460,571,257.70/291,254.96
  6. Step 6: Final answer
    x = 152,651.72

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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.