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Finding the Fourth Proportional to 115,501.40, 173,276.40 and 36,623.60

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Solution

The fourth proportional to 115,501.40, 173,276.40 and 36,623.60 is: 54,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.40 : 173,276.40 = 36,623.60 : x
  2. Step 2: Convert to fraction form
    115,501.40/173,276.40 = 36,623.60/x
  3. Step 3: Cross multiply
    115,501.40x = 173,276.40 × 36,623.60
  4. Step 4: Simplify right side
    115,501.40x = 6,346,005,563.04
  5. Step 5: Solve for x
    x = 6,346,005,563.04/115,501.40
  6. Step 6: Final answer
    x = 54,943.11

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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.