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Finding the Fourth Proportional to 250,136.01, 345,185.07 and 135,412.08

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Solution

The fourth proportional to 250,136.01, 345,185.07 and 135,412.08 is: 186,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,136.01 : 345,185.07 = 135,412.08 : x
  2. Step 2: Convert to fraction form
    250,136.01/345,185.07 = 135,412.08/x
  3. Step 3: Cross multiply
    250,136.01x = 345,185.07 × 135,412.08
  4. Step 4: Simplify right side
    250,136.01x = 46,742,228,313.65
  5. Step 5: Solve for x
    x = 46,742,228,313.65/250,136.01
  6. Step 6: Final answer
    x = 186,867.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.