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Finding the Fourth Proportional to 115,526.20, 173,289.30 and 115,526.20

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Solution

The fourth proportional to 115,526.20, 173,289.30 and 115,526.20 is: 173,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,526.20 : 173,289.30 = 115,526.20 : x
  2. Step 2: Convert to fraction form
    115,526.20/173,289.30 = 115,526.20/x
  3. Step 3: Cross multiply
    115,526.20x = 173,289.30 × 115,526.20
  4. Step 4: Simplify right side
    115,526.20x = 20,019,454,329.66
  5. Step 5: Solve for x
    x = 20,019,454,329.66/115,526.20
  6. Step 6: Final answer
    x = 173,289.30

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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.