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Finding the Fourth Proportional to 194,658.12, 291,987.18 and 46,914.12

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Solution

The fourth proportional to 194,658.12, 291,987.18 and 46,914.12 is: 70,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,658.12 : 291,987.18 = 46,914.12 : x
  2. Step 2: Convert to fraction form
    194,658.12/291,987.18 = 46,914.12/x
  3. Step 3: Cross multiply
    194,658.12x = 291,987.18 × 46,914.12
  4. Step 4: Simplify right side
    194,658.12x = 13,698,321,600.98
  5. Step 5: Solve for x
    x = 13,698,321,600.98/194,658.12
  6. Step 6: Final answer
    x = 70,371.18

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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.