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Finding the Fourth Proportional to 248,258.01, 342,621.27 and 146,316.30

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Solution

The fourth proportional to 248,258.01, 342,621.27 and 146,316.30 is: 201,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,258.01 : 342,621.27 = 146,316.30 : x
  2. Step 2: Convert to fraction form
    248,258.01/342,621.27 = 146,316.30/x
  3. Step 3: Cross multiply
    248,258.01x = 342,621.27 × 146,316.30
  4. Step 4: Simplify right side
    248,258.01x = 50,131,076,527.70
  5. Step 5: Solve for x
    x = 50,131,076,527.70/248,258.01
  6. Step 6: Final answer
    x = 201,931.36

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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.