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Finding the Fourth Proportional to 163,358.63, 245,071.96 and 51,034.31

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Solution

The fourth proportional to 163,358.63, 245,071.96 and 51,034.31 is: 76,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,358.63 : 245,071.96 = 51,034.31 : x
  2. Step 2: Convert to fraction form
    163,358.63/245,071.96 = 51,034.31/x
  3. Step 3: Cross multiply
    163,358.63x = 245,071.96 × 51,034.31
  4. Step 4: Simplify right side
    163,358.63x = 12,507,078,378.95
  5. Step 5: Solve for x
    x = 12,507,078,378.95/163,358.63
  6. Step 6: Final answer
    x = 76,562.09

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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.