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Finding the Fourth Proportional to 166,730.40, 250,095.60 and 140,486.40

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Solution

The fourth proportional to 166,730.40, 250,095.60 and 140,486.40 is: 210,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,730.40 : 250,095.60 = 140,486.40 : x
  2. Step 2: Convert to fraction form
    166,730.40/250,095.60 = 140,486.40/x
  3. Step 3: Cross multiply
    166,730.40x = 250,095.60 × 140,486.40
  4. Step 4: Simplify right side
    166,730.40x = 35,135,030,499.84
  5. Step 5: Solve for x
    x = 35,135,030,499.84/166,730.40
  6. Step 6: Final answer
    x = 210,729.60

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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.