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Finding the Fourth Proportional to 117,010.51, 161,474.31 and 63,295.36

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Solution

The fourth proportional to 117,010.51, 161,474.31 and 63,295.36 is: 87,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010.51 : 161,474.31 = 63,295.36 : x
  2. Step 2: Convert to fraction form
    117,010.51/161,474.31 = 63,295.36/x
  3. Step 3: Cross multiply
    117,010.51x = 161,474.31 × 63,295.36
  4. Step 4: Simplify right side
    117,010.51x = 10,220,574,582.20
  5. Step 5: Solve for x
    x = 10,220,574,582.20/117,010.51
  6. Step 6: Final answer
    x = 87,347.49

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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.