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Finding the Fourth Proportional to 250,328.52, 375,368.04 and 81,826.92

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Solution

The fourth proportional to 250,328.52, 375,368.04 and 81,826.92 is: 122,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,328.52 : 375,368.04 = 81,826.92 : x
  2. Step 2: Convert to fraction form
    250,328.52/375,368.04 = 81,826.92/x
  3. Step 3: Cross multiply
    250,328.52x = 375,368.04 × 81,826.92
  4. Step 4: Simplify right side
    250,328.52x = 30,715,210,579.64
  5. Step 5: Solve for x
    x = 30,715,210,579.64/250,328.52
  6. Step 6: Final answer
    x = 122,699.61

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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.