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Finding the Fourth Proportional to 79,955.04, 110,804.60 and 78,827.52

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Solution

The fourth proportional to 79,955.04, 110,804.60 and 78,827.52 is: 109,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,955.04 : 110,804.60 = 78,827.52 : x
  2. Step 2: Convert to fraction form
    79,955.04/110,804.60 = 78,827.52/x
  3. Step 3: Cross multiply
    79,955.04x = 110,804.60 × 78,827.52
  4. Step 4: Simplify right side
    79,955.04x = 8,734,451,822.59
  5. Step 5: Solve for x
    x = 8,734,451,822.59/79,955.04
  6. Step 6: Final answer
    x = 109,242.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.