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Finding the Fourth Proportional to 93,087.20, 139,636.20 and 26,532.20

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Solution

The fourth proportional to 93,087.20, 139,636.20 and 26,532.20 is: 39,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,087.20 : 139,636.20 = 26,532.20 : x
  2. Step 2: Convert to fraction form
    93,087.20/139,636.20 = 26,532.20/x
  3. Step 3: Cross multiply
    93,087.20x = 139,636.20 × 26,532.20
  4. Step 4: Simplify right side
    93,087.20x = 3,704,855,585.64
  5. Step 5: Solve for x
    x = 3,704,855,585.64/93,087.20
  6. Step 6: Final answer
    x = 39,799.84

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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.