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Finding the Fourth Proportional to 93,797, 140,695.50 and 28,133

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Solution

The fourth proportional to 93,797, 140,695.50 and 28,133 is: 42,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,797 : 140,695.50 = 28,133 : x
  2. Step 2: Convert to fraction form
    93,797/140,695.50 = 28,133/x
  3. Step 3: Cross multiply
    93,797x = 140,695.50 × 28,133
  4. Step 4: Simplify right side
    93,797x = 3,958,186,501.50
  5. Step 5: Solve for x
    x = 3,958,186,501.50/93,797
  6. Step 6: Final answer
    x = 42,199.50

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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.