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Finding the Fourth Proportional to 196,015.68, 270,501.12 and 106,591.68

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Solution

The fourth proportional to 196,015.68, 270,501.12 and 106,591.68 is: 147,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,015.68 : 270,501.12 = 106,591.68 : x
  2. Step 2: Convert to fraction form
    196,015.68/270,501.12 = 106,591.68/x
  3. Step 3: Cross multiply
    196,015.68x = 270,501.12 × 106,591.68
  4. Step 4: Simplify right side
    196,015.68x = 28,833,168,822.68
  5. Step 5: Solve for x
    x = 28,833,168,822.68/196,015.68
  6. Step 6: Final answer
    x = 147,096.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.