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Finding the Fourth Proportional to 93,643.88, 140,465.95 and 38,239.88

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Solution

The fourth proportional to 93,643.88, 140,465.95 and 38,239.88 is: 57,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,643.88 : 140,465.95 = 38,239.88 : x
  2. Step 2: Convert to fraction form
    93,643.88/140,465.95 = 38,239.88/x
  3. Step 3: Cross multiply
    93,643.88x = 140,465.95 × 38,239.88
  4. Step 4: Simplify right side
    93,643.88x = 5,371,400,274.16
  5. Step 5: Solve for x
    x = 5,371,400,274.16/93,643.88
  6. Step 6: Final answer
    x = 57,359.87

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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.