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Finding the Fourth Proportional to 249,992.32, 375,027.48 and 81,473.44

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Solution

The fourth proportional to 249,992.32, 375,027.48 and 81,473.44 is: 122,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,992.32 : 375,027.48 = 81,473.44 : x
  2. Step 2: Convert to fraction form
    249,992.32/375,027.48 = 81,473.44/x
  3. Step 3: Cross multiply
    249,992.32x = 375,027.48 × 81,473.44
  4. Step 4: Simplify right side
    249,992.32x = 30,554,778,890.13
  5. Step 5: Solve for x
    x = 30,554,778,890.13/249,992.32
  6. Step 6: Final answer
    x = 122,222.87

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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.