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Finding the Fourth Proportional to 147,002.70, 220,504.05 and 112,010.70

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Solution

The fourth proportional to 147,002.70, 220,504.05 and 112,010.70 is: 168,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,002.70 : 220,504.05 = 112,010.70 : x
  2. Step 2: Convert to fraction form
    147,002.70/220,504.05 = 112,010.70/x
  3. Step 3: Cross multiply
    147,002.70x = 220,504.05 × 112,010.70
  4. Step 4: Simplify right side
    147,002.70x = 24,698,812,993.34
  5. Step 5: Solve for x
    x = 24,698,812,993.34/147,002.70
  6. Step 6: Final answer
    x = 168,016.05

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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.