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Finding the Fourth Proportional to 250,054.91, 345,053.93 and 148,062.11

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Solution

The fourth proportional to 250,054.91, 345,053.93 and 148,062.11 is: 204,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,054.91 : 345,053.93 = 148,062.11 : x
  2. Step 2: Convert to fraction form
    250,054.91/345,053.93 = 148,062.11/x
  3. Step 3: Cross multiply
    250,054.91x = 345,053.93 × 148,062.11
  4. Step 4: Simplify right side
    250,054.91x = 51,089,412,939.59
  5. Step 5: Solve for x
    x = 51,089,412,939.59/250,054.91
  6. Step 6: Final answer
    x = 204,312.78

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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.