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Finding the Fourth Proportional to 112,377.31, 168,509.53 and 37,470.94

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Solution

The fourth proportional to 112,377.31, 168,509.53 and 37,470.94 is: 56,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,377.31 : 168,509.53 = 37,470.94 : x
  2. Step 2: Convert to fraction form
    112,377.31/168,509.53 = 37,470.94/x
  3. Step 3: Cross multiply
    112,377.31x = 168,509.53 × 37,470.94
  4. Step 4: Simplify right side
    112,377.31x = 6,314,210,488.06
  5. Step 5: Solve for x
    x = 6,314,210,488.06/112,377.31
  6. Step 6: Final answer
    x = 56,187.59

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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.