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Finding the Fourth Proportional to 291,633.76, 437,436.08 and 114,173.30

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Solution

The fourth proportional to 291,633.76, 437,436.08 and 114,173.30 is: 171,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,633.76 : 437,436.08 = 114,173.30 : x
  2. Step 2: Convert to fraction form
    291,633.76/437,436.08 = 114,173.30/x
  3. Step 3: Cross multiply
    291,633.76x = 437,436.08 × 114,173.30
  4. Step 4: Simplify right side
    291,633.76x = 49,943,520,792.66
  5. Step 5: Solve for x
    x = 49,943,520,792.66/291,633.76
  6. Step 6: Final answer
    x = 171,254.25

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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.