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Finding the Fourth Proportional to 94,643.69, 142,053.02 and 47,929.37

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Solution

The fourth proportional to 94,643.69, 142,053.02 and 47,929.37 is: 71,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,643.69 : 142,053.02 = 47,929.37 : x
  2. Step 2: Convert to fraction form
    94,643.69/142,053.02 = 47,929.37/x
  3. Step 3: Cross multiply
    94,643.69x = 142,053.02 × 47,929.37
  4. Step 4: Simplify right side
    94,643.69x = 6,808,511,515.55
  5. Step 5: Solve for x
    x = 6,808,511,515.55/94,643.69
  6. Step 6: Final answer
    x = 71,938.36

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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.