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Finding the Fourth Proportional to 176,906.60, 265,392.30 and 71,736.20

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Solution

The fourth proportional to 176,906.60, 265,392.30 and 71,736.20 is: 107,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,906.60 : 265,392.30 = 71,736.20 : x
  2. Step 2: Convert to fraction form
    176,906.60/265,392.30 = 71,736.20/x
  3. Step 3: Cross multiply
    176,906.60x = 265,392.30 × 71,736.20
  4. Step 4: Simplify right side
    176,906.60x = 19,038,235,111.26
  5. Step 5: Solve for x
    x = 19,038,235,111.26/176,906.60
  6. Step 6: Final answer
    x = 107,617.44

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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.