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Finding the Fourth Proportional to 168,122.79, 252,148.95 and 49,795.16

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Solution

The fourth proportional to 168,122.79, 252,148.95 and 49,795.16 is: 74,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,122.79 : 252,148.95 = 49,795.16 : x
  2. Step 2: Convert to fraction form
    168,122.79/252,148.95 = 49,795.16/x
  3. Step 3: Cross multiply
    168,122.79x = 252,148.95 × 49,795.16
  4. Step 4: Simplify right side
    168,122.79x = 12,555,796,048.34
  5. Step 5: Solve for x
    x = 12,555,796,048.34/168,122.79
  6. Step 6: Final answer
    x = 74,682.30

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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.