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Finding the Fourth Proportional to 291,737.53, 437,606.16 and 92,077.93

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Solution

The fourth proportional to 291,737.53, 437,606.16 and 92,077.93 is: 138,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,737.53 : 437,606.16 = 92,077.93 : x
  2. Step 2: Convert to fraction form
    291,737.53/437,606.16 = 92,077.93/x
  3. Step 3: Cross multiply
    291,737.53x = 437,606.16 × 92,077.93
  4. Step 4: Simplify right side
    291,737.53x = 40,293,869,368.05
  5. Step 5: Solve for x
    x = 40,293,869,368.05/291,737.53
  6. Step 6: Final answer
    x = 138,116.85

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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.