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Finding the Fourth Proportional to 201,188.10, 301,818.60 and 101,096.40

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Solution

The fourth proportional to 201,188.10, 301,818.60 and 101,096.40 is: 151,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,188.10 : 301,818.60 = 101,096.40 : x
  2. Step 2: Convert to fraction form
    201,188.10/301,818.60 = 101,096.40/x
  3. Step 3: Cross multiply
    201,188.10x = 301,818.60 × 101,096.40
  4. Step 4: Simplify right side
    201,188.10x = 30,512,773,913.04
  5. Step 5: Solve for x
    x = 30,512,773,913.04/201,188.10
  6. Step 6: Final answer
    x = 151,662.92

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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.