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Finding the Fourth Proportional to 248,168.24, 342,475.80 and 152,618.48

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Solution

The fourth proportional to 248,168.24, 342,475.80 and 152,618.48 is: 210,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168.24 : 342,475.80 = 152,618.48 : x
  2. Step 2: Convert to fraction form
    248,168.24/342,475.80 = 152,618.48/x
  3. Step 3: Cross multiply
    248,168.24x = 342,475.80 × 152,618.48
  4. Step 4: Simplify right side
    248,168.24x = 52,268,136,032.78
  5. Step 5: Solve for x
    x = 52,268,136,032.78/248,168.24
  6. Step 6: Final answer
    x = 210,615.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.