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Finding the Fourth Proportional to 291,852.72, 437,603.58 and 114,147.90

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Solution

The fourth proportional to 291,852.72, 437,603.58 and 114,147.90 is: 171,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,852.72 : 437,603.58 = 114,147.90 : x
  2. Step 2: Convert to fraction form
    291,852.72/437,603.58 = 114,147.90/x
  3. Step 3: Cross multiply
    291,852.72x = 437,603.58 × 114,147.90
  4. Step 4: Simplify right side
    291,852.72x = 49,951,529,689.48
  5. Step 5: Solve for x
    x = 49,951,529,689.48/291,852.72
  6. Step 6: Final answer
    x = 171,153.21

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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.