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Finding the Fourth Proportional to 78,849.10, 108,807.06 and 44,852.68

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Solution

The fourth proportional to 78,849.10, 108,807.06 and 44,852.68 is: 61,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,849.10 : 108,807.06 = 44,852.68 : x
  2. Step 2: Convert to fraction form
    78,849.10/108,807.06 = 44,852.68/x
  3. Step 3: Cross multiply
    78,849.10x = 108,807.06 × 44,852.68
  4. Step 4: Simplify right side
    78,849.10x = 4,880,288,243.92
  5. Step 5: Solve for x
    x = 4,880,288,243.92/78,849.10
  6. Step 6: Final answer
    x = 61,894.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.