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Finding the Fourth Proportional to 84,804.08, 117,080.40 and 53,016.04

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Solution

The fourth proportional to 84,804.08, 117,080.40 and 53,016.04 is: 73,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804.08 : 117,080.40 = 53,016.04 : x
  2. Step 2: Convert to fraction form
    84,804.08/117,080.40 = 53,016.04/x
  3. Step 3: Cross multiply
    84,804.08x = 117,080.40 × 53,016.04
  4. Step 4: Simplify right side
    84,804.08x = 6,207,139,169.62
  5. Step 5: Solve for x
    x = 6,207,139,169.62/84,804.08
  6. Step 6: Final answer
    x = 73,193.87

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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.