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Finding the Fourth Proportional to 104,290.76, 144,040.02 and 70,698.44

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Solution

The fourth proportional to 104,290.76, 144,040.02 and 70,698.44 is: 97,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.76 : 144,040.02 = 70,698.44 : x
  2. Step 2: Convert to fraction form
    104,290.76/144,040.02 = 70,698.44/x
  3. Step 3: Cross multiply
    104,290.76x = 144,040.02 × 70,698.44
  4. Step 4: Simplify right side
    104,290.76x = 10,183,404,711.57
  5. Step 5: Solve for x
    x = 10,183,404,711.57/104,290.76
  6. Step 6: Final answer
    x = 97,644.36

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1.5x scale

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.