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Finding the Fourth Proportional to 79,069.86, 118,619.19 and 37,516.50

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Solution

The fourth proportional to 79,069.86, 118,619.19 and 37,516.50 is: 56,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.86 : 118,619.19 = 37,516.50 : x
  2. Step 2: Convert to fraction form
    79,069.86/118,619.19 = 37,516.50/x
  3. Step 3: Cross multiply
    79,069.86x = 118,619.19 × 37,516.50
  4. Step 4: Simplify right side
    79,069.86x = 4,450,176,841.64
  5. Step 5: Solve for x
    x = 4,450,176,841.64/79,069.86
  6. Step 6: Final answer
    x = 56,281.58

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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.