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Finding the Fourth Proportional to 79,756.08, 110,059.98 and 45,740.94

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Solution

The fourth proportional to 79,756.08, 110,059.98 and 45,740.94 is: 63,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,756.08 : 110,059.98 = 45,740.94 : x
  2. Step 2: Convert to fraction form
    79,756.08/110,059.98 = 45,740.94/x
  3. Step 3: Cross multiply
    79,756.08x = 110,059.98 × 45,740.94
  4. Step 4: Simplify right side
    79,756.08x = 5,034,246,941.58
  5. Step 5: Solve for x
    x = 5,034,246,941.58/79,756.08
  6. Step 6: Final answer
    x = 63,120.54

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1.5x scale

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.