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Finding the Fourth Proportional to 258,624.53, 356,848.37 and 151,173.78

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Solution

The fourth proportional to 258,624.53, 356,848.37 and 151,173.78 is: 208,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,624.53 : 356,848.37 = 151,173.78 : x
  2. Step 2: Convert to fraction form
    258,624.53/356,848.37 = 151,173.78/x
  3. Step 3: Cross multiply
    258,624.53x = 356,848.37 × 151,173.78
  4. Step 4: Simplify right side
    258,624.53x = 53,946,115,195.50
  5. Step 5: Solve for x
    x = 53,946,115,195.50/258,624.53
  6. Step 6: Final answer
    x = 208,588.55

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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.