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Finding the Fourth Proportional to 173,248.40, 259,296.60 and 125,728.40

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Solution

The fourth proportional to 173,248.40, 259,296.60 and 125,728.40 is: 188,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248.40 : 259,296.60 = 125,728.40 : x
  2. Step 2: Convert to fraction form
    173,248.40/259,296.60 = 125,728.40/x
  3. Step 3: Cross multiply
    173,248.40x = 259,296.60 × 125,728.40
  4. Step 4: Simplify right side
    173,248.40x = 32,600,946,643.44
  5. Step 5: Solve for x
    x = 32,600,946,643.44/173,248.40
  6. Step 6: Final answer
    x = 188,174.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.