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Finding the Fourth Proportional to 161,162.40, 241,743.57 and 61,299.51

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Solution

The fourth proportional to 161,162.40, 241,743.57 and 61,299.51 is: 91,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,162.40 : 241,743.57 = 61,299.51 : x
  2. Step 2: Convert to fraction form
    161,162.40/241,743.57 = 61,299.51/x
  3. Step 3: Cross multiply
    161,162.40x = 241,743.57 × 61,299.51
  4. Step 4: Simplify right side
    161,162.40x = 14,818,762,386.65
  5. Step 5: Solve for x
    x = 14,818,762,386.65/161,162.40
  6. Step 6: Final answer
    x = 91,949.25

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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.