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Finding the Fourth Proportional to 93,074.64, 139,610.15 and 26,515.20

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Solution

The fourth proportional to 93,074.64, 139,610.15 and 26,515.20 is: 39,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,074.64 : 139,610.15 = 26,515.20 : x
  2. Step 2: Convert to fraction form
    93,074.64/139,610.15 = 26,515.20/x
  3. Step 3: Cross multiply
    93,074.64x = 139,610.15 × 26,515.20
  4. Step 4: Simplify right side
    93,074.64x = 3,701,791,049.28
  5. Step 5: Solve for x
    x = 3,701,791,049.28/93,074.64
  6. Step 6: Final answer
    x = 39,772.28

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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.