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Finding the Fourth Proportional to 211,759.98, 317,572.50 and 69,572.24

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Solution

The fourth proportional to 211,759.98, 317,572.50 and 69,572.24 is: 104,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,759.98 : 317,572.50 = 69,572.24 : x
  2. Step 2: Convert to fraction form
    211,759.98/317,572.50 = 69,572.24/x
  3. Step 3: Cross multiply
    211,759.98x = 317,572.50 × 69,572.24
  4. Step 4: Simplify right side
    211,759.98x = 22,094,230,187.40
  5. Step 5: Solve for x
    x = 22,094,230,187.40/211,759.98
  6. Step 6: Final answer
    x = 104,336.19

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1.5x scale

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.