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Finding the Fourth Proportional to 93,339, 139,966.20 and 26,763.84

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Solution

The fourth proportional to 93,339, 139,966.20 and 26,763.84 is: 40,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339 : 139,966.20 = 26,763.84 : x
  2. Step 2: Convert to fraction form
    93,339/139,966.20 = 26,763.84/x
  3. Step 3: Cross multiply
    93,339x = 139,966.20 × 26,763.84
  4. Step 4: Simplify right side
    93,339x = 3,746,032,982.21
  5. Step 5: Solve for x
    x = 3,746,032,982.21/93,339
  6. Step 6: Final answer
    x = 40,133.63

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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.