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Finding the Fourth Proportional to 194,615.20, 292,095.60 and 168,349.60

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Solution

The fourth proportional to 194,615.20, 292,095.60 and 168,349.60 is: 252,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.20 : 292,095.60 = 168,349.60 : x
  2. Step 2: Convert to fraction form
    194,615.20/292,095.60 = 168,349.60/x
  3. Step 3: Cross multiply
    194,615.20x = 292,095.60 × 168,349.60
  4. Step 4: Simplify right side
    194,615.20x = 49,174,177,421.76
  5. Step 5: Solve for x
    x = 49,174,177,421.76/194,615.20
  6. Step 6: Final answer
    x = 252,673.88

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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.