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Finding the Fourth Proportional to 248,881.73, 343,477.19 and 141,485.45

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Solution

The fourth proportional to 248,881.73, 343,477.19 and 141,485.45 is: 195,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,881.73 : 343,477.19 = 141,485.45 : x
  2. Step 2: Convert to fraction form
    248,881.73/343,477.19 = 141,485.45/x
  3. Step 3: Cross multiply
    248,881.73x = 343,477.19 × 141,485.45
  4. Step 4: Simplify right side
    248,881.73x = 48,597,023,428.21
  5. Step 5: Solve for x
    x = 48,597,023,428.21/248,881.73
  6. Step 6: Final answer
    x = 195,261.52

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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.