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Finding the Fourth Proportional to 254,232.90, 350,840.40 and 139,513.48

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Solution

The fourth proportional to 254,232.90, 350,840.40 and 139,513.48 is: 192,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,232.90 : 350,840.40 = 139,513.48 : x
  2. Step 2: Convert to fraction form
    254,232.90/350,840.40 = 139,513.48/x
  3. Step 3: Cross multiply
    254,232.90x = 350,840.40 × 139,513.48
  4. Step 4: Simplify right side
    254,232.90x = 48,946,965,128.59
  5. Step 5: Solve for x
    x = 48,946,965,128.59/254,232.90
  6. Step 6: Final answer
    x = 192,528.05

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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.