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Finding the Fourth Proportional to 94,643.94, 142,053.39 and 47,929.62

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Solution

The fourth proportional to 94,643.94, 142,053.39 and 47,929.62 is: 71,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,643.94 : 142,053.39 = 47,929.62 : x
  2. Step 2: Convert to fraction form
    94,643.94/142,053.39 = 47,929.62/x
  3. Step 3: Cross multiply
    94,643.94x = 142,053.39 × 47,929.62
  4. Step 4: Simplify right side
    94,643.94x = 6,808,565,002.41
  5. Step 5: Solve for x
    x = 6,808,565,002.41/94,643.94
  6. Step 6: Final answer
    x = 71,938.73

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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.