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Finding the Fourth Proportional to 173,840.42, 239,879.94 and 97,348.88

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Solution

The fourth proportional to 173,840.42, 239,879.94 and 97,348.88 is: 134,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.42 : 239,879.94 = 97,348.88 : x
  2. Step 2: Convert to fraction form
    173,840.42/239,879.94 = 97,348.88/x
  3. Step 3: Cross multiply
    173,840.42x = 239,879.94 × 97,348.88
  4. Step 4: Simplify right side
    173,840.42x = 23,352,043,493.47
  5. Step 5: Solve for x
    x = 23,352,043,493.47/173,840.42
  6. Step 6: Final answer
    x = 134,330.34

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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.