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Finding the Fourth Proportional to 147,000.30, 220,500.45 and 94,512.30

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Solution

The fourth proportional to 147,000.30, 220,500.45 and 94,512.30 is: 141,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,000.30 : 220,500.45 = 94,512.30 : x
  2. Step 2: Convert to fraction form
    147,000.30/220,500.45 = 94,512.30/x
  3. Step 3: Cross multiply
    147,000.30x = 220,500.45 × 94,512.30
  4. Step 4: Simplify right side
    147,000.30x = 20,840,004,680.54
  5. Step 5: Solve for x
    x = 20,840,004,680.54/147,000.30
  6. Step 6: Final answer
    x = 141,768.45

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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.