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Finding the Fourth Proportional to 117,245.51, 175,921.31 and 46,148.57

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Solution

The fourth proportional to 117,245.51, 175,921.31 and 46,148.57 is: 69,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.51 : 175,921.31 = 46,148.57 : x
  2. Step 2: Convert to fraction form
    117,245.51/175,921.31 = 46,148.57/x
  3. Step 3: Cross multiply
    117,245.51x = 175,921.31 × 46,148.57
  4. Step 4: Simplify right side
    117,245.51x = 8,118,516,009.42
  5. Step 5: Solve for x
    x = 8,118,516,009.42/117,245.51
  6. Step 6: Final answer
    x = 69,243.73

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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.