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Finding the Fourth Proportional to 282,466.08, 423,698.98 and 72,103.95

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Solution

The fourth proportional to 282,466.08, 423,698.98 and 72,103.95 is: 108,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,466.08 : 423,698.98 = 72,103.95 : x
  2. Step 2: Convert to fraction form
    282,466.08/423,698.98 = 72,103.95/x
  3. Step 3: Cross multiply
    282,466.08x = 423,698.98 × 72,103.95
  4. Step 4: Simplify right side
    282,466.08x = 30,550,369,099.85
  5. Step 5: Solve for x
    x = 30,550,369,099.85/282,466.08
  6. Step 6: Final answer
    x = 108,155.89

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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.