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Finding the Fourth Proportional to 115,496.40, 173,309.40 and 48,925.20

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Solution

The fourth proportional to 115,496.40, 173,309.40 and 48,925.20 is: 73,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,496.40 : 173,309.40 = 48,925.20 : x
  2. Step 2: Convert to fraction form
    115,496.40/173,309.40 = 48,925.20/x
  3. Step 3: Cross multiply
    115,496.40x = 173,309.40 × 48,925.20
  4. Step 4: Simplify right side
    115,496.40x = 8,479,197,056.88
  5. Step 5: Solve for x
    x = 8,479,197,056.88/115,496.40
  6. Step 6: Final answer
    x = 73,415.25

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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.