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Finding the Fourth Proportional to 94,815.92, 142,110.48 and 42,165.92

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Solution

The fourth proportional to 94,815.92, 142,110.48 and 42,165.92 is: 63,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,815.92 : 142,110.48 = 42,165.92 : x
  2. Step 2: Convert to fraction form
    94,815.92/142,110.48 = 42,165.92/x
  3. Step 3: Cross multiply
    94,815.92x = 142,110.48 × 42,165.92
  4. Step 4: Simplify right side
    94,815.92x = 5,992,219,130.84
  5. Step 5: Solve for x
    x = 5,992,219,130.84/94,815.92
  6. Step 6: Final answer
    x = 63,198.45

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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.