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Finding the Fourth Proportional to 250,192.56, 345,263.12 and 135,469.22

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Solution

The fourth proportional to 250,192.56, 345,263.12 and 135,469.22 is: 186,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,192.56 : 345,263.12 = 135,469.22 : x
  2. Step 2: Convert to fraction form
    250,192.56/345,263.12 = 135,469.22/x
  3. Step 3: Cross multiply
    250,192.56x = 345,263.12 × 135,469.22
  4. Step 4: Simplify right side
    250,192.56x = 46,772,525,561.17
  5. Step 5: Solve for x
    x = 46,772,525,561.17/250,192.56
  6. Step 6: Final answer
    x = 186,946.11

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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.