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Finding the Fourth Proportional to 83,670.51, 115,466.72 and 45,948.27

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Solution

The fourth proportional to 83,670.51, 115,466.72 and 45,948.27 is: 63,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.51 : 115,466.72 = 45,948.27 : x
  2. Step 2: Convert to fraction form
    83,670.51/115,466.72 = 45,948.27/x
  3. Step 3: Cross multiply
    83,670.51x = 115,466.72 × 45,948.27
  4. Step 4: Simplify right side
    83,670.51x = 5,305,495,796.83
  5. Step 5: Solve for x
    x = 5,305,495,796.83/83,670.51
  6. Step 6: Final answer
    x = 63,409.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.