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Finding the Fourth Proportional to 216,775.96, 325,267.64 and 76,600.60

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Solution

The fourth proportional to 216,775.96, 325,267.64 and 76,600.60 is: 114,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775.96 : 325,267.64 = 76,600.60 : x
  2. Step 2: Convert to fraction form
    216,775.96/325,267.64 = 76,600.60/x
  3. Step 3: Cross multiply
    216,775.96x = 325,267.64 × 76,600.60
  4. Step 4: Simplify right side
    216,775.96x = 24,915,696,384.58
  5. Step 5: Solve for x
    x = 24,915,696,384.58/216,775.96
  6. Step 6: Final answer
    x = 114,937.54

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1.5x scale

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.