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Finding the Fourth Proportional to 201,667.04, 302,546.08 and 66,730.76

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Solution

The fourth proportional to 201,667.04, 302,546.08 and 66,730.76 is: 100,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667.04 : 302,546.08 = 66,730.76 : x
  2. Step 2: Convert to fraction form
    201,667.04/302,546.08 = 66,730.76/x
  3. Step 3: Cross multiply
    201,667.04x = 302,546.08 × 66,730.76
  4. Step 4: Simplify right side
    201,667.04x = 20,189,129,853.42
  5. Step 5: Solve for x
    x = 20,189,129,853.42/201,667.04
  6. Step 6: Final answer
    x = 100,111.20

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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.