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Finding the Fourth Proportional to 79,255.74, 109,384.08 and 49,050.74

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Solution

The fourth proportional to 79,255.74, 109,384.08 and 49,050.74 is: 67,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.74 : 109,384.08 = 49,050.74 : x
  2. Step 2: Convert to fraction form
    79,255.74/109,384.08 = 49,050.74/x
  3. Step 3: Cross multiply
    79,255.74x = 109,384.08 × 49,050.74
  4. Step 4: Simplify right side
    79,255.74x = 5,365,370,068.22
  5. Step 5: Solve for x
    x = 5,365,370,068.22/79,255.74
  6. Step 6: Final answer
    x = 67,696.93

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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.