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Finding the Fourth Proportional to 115,334.40, 172,905.60 and 48,825.60

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Solution

The fourth proportional to 115,334.40, 172,905.60 and 48,825.60 is: 73,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,334.40 : 172,905.60 = 48,825.60 : x
  2. Step 2: Convert to fraction form
    115,334.40/172,905.60 = 48,825.60/x
  3. Step 3: Cross multiply
    115,334.40x = 172,905.60 × 48,825.60
  4. Step 4: Simplify right side
    115,334.40x = 8,442,219,663.36
  5. Step 5: Solve for x
    x = 8,442,219,663.36/115,334.40
  6. Step 6: Final answer
    x = 73,197.76

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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.