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Finding the Fourth Proportional to 250,364.16, 345,501.08 and 135,645.07

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Solution

The fourth proportional to 250,364.16, 345,501.08 and 135,645.07 is: 187,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,364.16 : 345,501.08 = 135,645.07 : x
  2. Step 2: Convert to fraction form
    250,364.16/345,501.08 = 135,645.07/x
  3. Step 3: Cross multiply
    250,364.16x = 345,501.08 × 135,645.07
  4. Step 4: Simplify right side
    250,364.16x = 46,865,518,181.68
  5. Step 5: Solve for x
    x = 46,865,518,181.68/250,364.16
  6. Step 6: Final answer
    x = 187,189.41

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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.