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Finding the Fourth Proportional to 317,739.83, 476,609.54 and 93,100.13

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Solution

The fourth proportional to 317,739.83, 476,609.54 and 93,100.13 is: 139,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,739.83 : 476,609.54 = 93,100.13 : x
  2. Step 2: Convert to fraction form
    317,739.83/476,609.54 = 93,100.13/x
  3. Step 3: Cross multiply
    317,739.83x = 476,609.54 × 93,100.13
  4. Step 4: Simplify right side
    317,739.83x = 44,372,410,133.24
  5. Step 5: Solve for x
    x = 44,372,410,133.24/317,739.83
  6. Step 6: Final answer
    x = 139,650.13

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Similar ratio
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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.