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Finding the Fourth Proportional to 322,148.91, 483,031.94 and 122,483.91

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Solution

The fourth proportional to 322,148.91, 483,031.94 and 122,483.91 is: 183,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,148.91 : 483,031.94 = 122,483.91 : x
  2. Step 2: Convert to fraction form
    322,148.91/483,031.94 = 122,483.91/x
  3. Step 3: Cross multiply
    322,148.91x = 483,031.94 × 122,483.91
  4. Step 4: Simplify right side
    322,148.91x = 59,163,640,053.67
  5. Step 5: Solve for x
    x = 59,163,640,053.67/322,148.91
  6. Step 6: Final answer
    x = 183,653.08

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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.