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Finding the Fourth Proportional to 361,219.32, 541,854.95 and 124,558.58

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Solution

The fourth proportional to 361,219.32, 541,854.95 and 124,558.58 is: 186,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,219.32 : 541,854.95 = 124,558.58 : x
  2. Step 2: Convert to fraction form
    361,219.32/541,854.95 = 124,558.58/x
  3. Step 3: Cross multiply
    361,219.32x = 541,854.95 × 124,558.58
  4. Step 4: Simplify right side
    361,219.32x = 67,492,683,869.82
  5. Step 5: Solve for x
    x = 67,492,683,869.82/361,219.32
  6. Step 6: Final answer
    x = 186,846.83

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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.