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Finding the Fourth Proportional to 110,303.70, 164,208.03 and 109,647.60

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Solution

The fourth proportional to 110,303.70, 164,208.03 and 109,647.60 is: 163,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,303.70 : 164,208.03 = 109,647.60 : x
  2. Step 2: Convert to fraction form
    110,303.70/164,208.03 = 109,647.60/x
  3. Step 3: Cross multiply
    110,303.70x = 164,208.03 × 109,647.60
  4. Step 4: Simplify right side
    110,303.70x = 18,005,016,390.23
  5. Step 5: Solve for x
    x = 18,005,016,390.23/110,303.70
  6. Step 6: Final answer
    x = 163,231.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.