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Finding the Fourth Proportional to 93,705, 140,576.94 and 38,301

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Solution

The fourth proportional to 93,705, 140,576.94 and 38,301 is: 57,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,705 : 140,576.94 = 38,301 : x
  2. Step 2: Convert to fraction form
    93,705/140,576.94 = 38,301/x
  3. Step 3: Cross multiply
    93,705x = 140,576.94 × 38,301
  4. Step 4: Simplify right side
    93,705x = 5,384,237,378.94
  5. Step 5: Solve for x
    x = 5,384,237,378.94/93,705
  6. Step 6: Final answer
    x = 57,459.45

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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.