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Finding the Fourth Proportional to 159,475.60, 239,213.40 and 134,106.40

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Solution

The fourth proportional to 159,475.60, 239,213.40 and 134,106.40 is: 201,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,475.60 : 239,213.40 = 134,106.40 : x
  2. Step 2: Convert to fraction form
    159,475.60/239,213.40 = 134,106.40/x
  3. Step 3: Cross multiply
    159,475.60x = 239,213.40 × 134,106.40
  4. Step 4: Simplify right side
    159,475.60x = 32,080,047,905.76
  5. Step 5: Solve for x
    x = 32,080,047,905.76/159,475.60
  6. Step 6: Final answer
    x = 201,159.60

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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.