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Finding the Fourth Proportional to 211,626.01, 317,283.50 and 100,895.77

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Solution

The fourth proportional to 211,626.01, 317,283.50 and 100,895.77 is: 151,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626.01 : 317,283.50 = 100,895.77 : x
  2. Step 2: Convert to fraction form
    211,626.01/317,283.50 = 100,895.77/x
  3. Step 3: Cross multiply
    211,626.01x = 317,283.50 × 100,895.77
  4. Step 4: Simplify right side
    211,626.01x = 32,012,562,536.32
  5. Step 5: Solve for x
    x = 32,012,562,536.32/211,626.01
  6. Step 6: Final answer
    x = 151,269.51

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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.