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Finding the Fourth Proportional to 110,717.20, 166,075.80 and 101,040.40

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Solution

The fourth proportional to 110,717.20, 166,075.80 and 101,040.40 is: 151,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717.20 : 166,075.80 = 101,040.40 : x
  2. Step 2: Convert to fraction form
    110,717.20/166,075.80 = 101,040.40/x
  3. Step 3: Cross multiply
    110,717.20x = 166,075.80 × 101,040.40
  4. Step 4: Simplify right side
    110,717.20x = 16,780,365,262.32
  5. Step 5: Solve for x
    x = 16,780,365,262.32/110,717.20
  6. Step 6: Final answer
    x = 151,560.60

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1.5x scale

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.