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Finding the Fourth Proportional to 132,768.48, 183,220.08 and 73,152.48

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Solution

The fourth proportional to 132,768.48, 183,220.08 and 73,152.48 is: 100,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,768.48 : 183,220.08 = 73,152.48 : x
  2. Step 2: Convert to fraction form
    132,768.48/183,220.08 = 73,152.48/x
  3. Step 3: Cross multiply
    132,768.48x = 183,220.08 × 73,152.48
  4. Step 4: Simplify right side
    132,768.48x = 13,403,003,237.80
  5. Step 5: Solve for x
    x = 13,403,003,237.80/132,768.48
  6. Step 6: Final answer
    x = 100,950.19

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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.