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Finding the Fourth Proportional to 117,735.01, 176,638.98 and 40,804.57

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Solution

The fourth proportional to 117,735.01, 176,638.98 and 40,804.57 is: 61,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,735.01 : 176,638.98 = 40,804.57 : x
  2. Step 2: Convert to fraction form
    117,735.01/176,638.98 = 40,804.57/x
  3. Step 3: Cross multiply
    117,735.01x = 176,638.98 × 40,804.57
  4. Step 4: Simplify right side
    117,735.01x = 7,207,677,624.14
  5. Step 5: Solve for x
    x = 7,207,677,624.14/117,735.01
  6. Step 6: Final answer
    x = 61,219.49

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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.