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Finding the Fourth Proportional to 250,751.58, 346,199.31 and 155,359.50

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Solution

The fourth proportional to 250,751.58, 346,199.31 and 155,359.50 is: 214,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,751.58 : 346,199.31 = 155,359.50 : x
  2. Step 2: Convert to fraction form
    250,751.58/346,199.31 = 155,359.50/x
  3. Step 3: Cross multiply
    250,751.58x = 346,199.31 × 155,359.50
  4. Step 4: Simplify right side
    250,751.58x = 53,785,351,701.95
  5. Step 5: Solve for x
    x = 53,785,351,701.95/250,751.58
  6. Step 6: Final answer
    x = 214,496.56

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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.