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Finding the Fourth Proportional to 251,036.96, 346,480.08 and 155,586.08

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Solution

The fourth proportional to 251,036.96, 346,480.08 and 155,586.08 is: 214,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,036.96 : 346,480.08 = 155,586.08 : x
  2. Step 2: Convert to fraction form
    251,036.96/346,480.08 = 155,586.08/x
  3. Step 3: Cross multiply
    251,036.96x = 346,480.08 × 155,586.08
  4. Step 4: Simplify right side
    251,036.96x = 53,907,477,445.29
  5. Step 5: Solve for x
    x = 53,907,477,445.29/251,036.96
  6. Step 6: Final answer
    x = 214,739.21

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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.