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Finding the Fourth Proportional to 115,454.40, 173,246.40 and 48,883.20

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Solution

The fourth proportional to 115,454.40, 173,246.40 and 48,883.20 is: 73,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,454.40 : 173,246.40 = 48,883.20 : x
  2. Step 2: Convert to fraction form
    115,454.40/173,246.40 = 48,883.20/x
  3. Step 3: Cross multiply
    115,454.40x = 173,246.40 × 48,883.20
  4. Step 4: Simplify right side
    115,454.40x = 8,468,838,420.48
  5. Step 5: Solve for x
    x = 8,468,838,420.48/115,454.40
  6. Step 6: Final answer
    x = 73,352.24

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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.