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Finding the Fourth Proportional to 196,969.92, 295,250.76 and 91,702.32

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Solution

The fourth proportional to 196,969.92, 295,250.76 and 91,702.32 is: 137,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,969.92 : 295,250.76 = 91,702.32 : x
  2. Step 2: Convert to fraction form
    196,969.92/295,250.76 = 91,702.32/x
  3. Step 3: Cross multiply
    196,969.92x = 295,250.76 × 91,702.32
  4. Step 4: Simplify right side
    196,969.92x = 27,075,179,673.76
  5. Step 5: Solve for x
    x = 27,075,179,673.76/196,969.92
  6. Step 6: Final answer
    x = 137,458.45

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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.