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Finding the Fourth Proportional to 70,488.94, 97,273.83 and 40,274.03

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Solution

The fourth proportional to 70,488.94, 97,273.83 and 40,274.03 is: 55,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,488.94 : 97,273.83 = 40,274.03 : x
  2. Step 2: Convert to fraction form
    70,488.94/97,273.83 = 40,274.03/x
  3. Step 3: Cross multiply
    70,488.94x = 97,273.83 × 40,274.03
  4. Step 4: Simplify right side
    70,488.94x = 3,917,609,147.63
  5. Step 5: Solve for x
    x = 3,917,609,147.63/70,488.94
  6. Step 6: Final answer
    x = 55,577.64

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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.