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Finding the Fourth Proportional to 173,622.60, 259,923.60 and 129,445.20

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Solution

The fourth proportional to 173,622.60, 259,923.60 and 129,445.20 is: 193,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,622.60 : 259,923.60 = 129,445.20 : x
  2. Step 2: Convert to fraction form
    173,622.60/259,923.60 = 129,445.20/x
  3. Step 3: Cross multiply
    173,622.60x = 259,923.60 × 129,445.20
  4. Step 4: Simplify right side
    173,622.60x = 33,645,862,386.72
  5. Step 5: Solve for x
    x = 33,645,862,386.72/173,622.60
  6. Step 6: Final answer
    x = 193,787.34

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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.