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Finding the Fourth Proportional to 216,164.85, 298,284.82 and 125,503.10

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Solution

The fourth proportional to 216,164.85, 298,284.82 and 125,503.10 is: 173,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,164.85 : 298,284.82 = 125,503.10 : x
  2. Step 2: Convert to fraction form
    216,164.85/298,284.82 = 125,503.10/x
  3. Step 3: Cross multiply
    216,164.85x = 298,284.82 × 125,503.10
  4. Step 4: Simplify right side
    216,164.85x = 37,435,669,778.50
  5. Step 5: Solve for x
    x = 37,435,669,778.50/216,164.85
  6. Step 6: Final answer
    x = 173,181.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.