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Finding the Fourth Proportional to 211,503.52, 317,263.92 and 53,736.04

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Solution

The fourth proportional to 211,503.52, 317,263.92 and 53,736.04 is: 80,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,503.52 : 317,263.92 = 53,736.04 : x
  2. Step 2: Convert to fraction form
    211,503.52/317,263.92 = 53,736.04/x
  3. Step 3: Cross multiply
    211,503.52x = 317,263.92 × 53,736.04
  4. Step 4: Simplify right side
    211,503.52x = 17,048,506,695.68
  5. Step 5: Solve for x
    x = 17,048,506,695.68/211,503.52
  6. Step 6: Final answer
    x = 80,606.26

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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.