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Finding the Fourth Proportional to 170,624.70, 255,937.05 and 168,000.30

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Solution

The fourth proportional to 170,624.70, 255,937.05 and 168,000.30 is: 252,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,624.70 : 255,937.05 = 168,000.30 : x
  2. Step 2: Convert to fraction form
    170,624.70/255,937.05 = 168,000.30/x
  3. Step 3: Cross multiply
    170,624.70x = 255,937.05 × 168,000.30
  4. Step 4: Simplify right side
    170,624.70x = 42,997,501,181.12
  5. Step 5: Solve for x
    x = 42,997,501,181.12/170,624.70
  6. Step 6: Final answer
    x = 252,000.45

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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.