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Finding the Fourth Proportional to 291,892.02, 437,838.04 and 134,253.06

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Solution

The fourth proportional to 291,892.02, 437,838.04 and 134,253.06 is: 201,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,892.02 : 437,838.04 = 134,253.06 : x
  2. Step 2: Convert to fraction form
    291,892.02/437,838.04 = 134,253.06/x
  3. Step 3: Cross multiply
    291,892.02x = 437,838.04 × 134,253.06
  4. Step 4: Simplify right side
    291,892.02x = 58,781,096,318.77
  5. Step 5: Solve for x
    x = 58,781,096,318.77/291,892.02
  6. Step 6: Final answer
    x = 201,379.59

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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.