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Finding the Fourth Proportional to 115,480.64, 173,225.81 and 56,366.03

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Solution

The fourth proportional to 115,480.64, 173,225.81 and 56,366.03 is: 84,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,480.64 : 173,225.81 = 56,366.03 : x
  2. Step 2: Convert to fraction form
    115,480.64/173,225.81 = 56,366.03/x
  3. Step 3: Cross multiply
    115,480.64x = 173,225.81 × 56,366.03
  4. Step 4: Simplify right side
    115,480.64x = 9,764,050,055.28
  5. Step 5: Solve for x
    x = 9,764,050,055.28/115,480.64
  6. Step 6: Final answer
    x = 84,551.41

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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.