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Finding the Fourth Proportional to 161,217.96, 241,795.41 and 153,216.51

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Solution

The fourth proportional to 161,217.96, 241,795.41 and 153,216.51 is: 229,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217.96 : 241,795.41 = 153,216.51 : x
  2. Step 2: Convert to fraction form
    161,217.96/241,795.41 = 153,216.51/x
  3. Step 3: Cross multiply
    161,217.96x = 241,795.41 × 153,216.51
  4. Step 4: Simplify right side
    161,217.96x = 37,047,048,854.22
  5. Step 5: Solve for x
    x = 37,047,048,854.22/161,217.96
  6. Step 6: Final answer
    x = 229,794.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.