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Finding the Fourth Proportional to 191,643.44, 264,499.44 and 106,787.84

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Solution

The fourth proportional to 191,643.44, 264,499.44 and 106,787.84 is: 147,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,643.44 : 264,499.44 = 106,787.84 : x
  2. Step 2: Convert to fraction form
    191,643.44/264,499.44 = 106,787.84/x
  3. Step 3: Cross multiply
    191,643.44x = 264,499.44 × 106,787.84
  4. Step 4: Simplify right side
    191,643.44x = 28,245,323,878.81
  5. Step 5: Solve for x
    x = 28,245,323,878.81/191,643.44
  6. Step 6: Final answer
    x = 147,384.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.