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Finding the Fourth Proportional to 93,830.80, 140,755.44 and 27,271.51

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Solution

The fourth proportional to 93,830.80, 140,755.44 and 27,271.51 is: 40,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.80 : 140,755.44 = 27,271.51 : x
  2. Step 2: Convert to fraction form
    93,830.80/140,755.44 = 27,271.51/x
  3. Step 3: Cross multiply
    93,830.80x = 140,755.44 × 27,271.51
  4. Step 4: Simplify right side
    93,830.80x = 3,838,613,389.51
  5. Step 5: Solve for x
    x = 3,838,613,389.51/93,830.80
  6. Step 6: Final answer
    x = 40,909.95

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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.