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Finding the Fourth Proportional to 101,206.73, 151,783.57 and 30,110.20

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Solution

The fourth proportional to 101,206.73, 151,783.57 and 30,110.20 is: 45,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,206.73 : 151,783.57 = 30,110.20 : x
  2. Step 2: Convert to fraction form
    101,206.73/151,783.57 = 30,110.20/x
  3. Step 3: Cross multiply
    101,206.73x = 151,783.57 × 30,110.20
  4. Step 4: Simplify right side
    101,206.73x = 4,570,233,307.59
  5. Step 5: Solve for x
    x = 4,570,233,307.59/101,206.73
  6. Step 6: Final answer
    x = 45,157.40

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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.