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Finding the Fourth Proportional to 540,161.94, 810,225.48 and 161,085.81

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Solution

The fourth proportional to 540,161.94, 810,225.48 and 161,085.81 is: 241,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,161.94 : 810,225.48 = 161,085.81 : x
  2. Step 2: Convert to fraction form
    540,161.94/810,225.48 = 161,085.81/x
  3. Step 3: Cross multiply
    540,161.94x = 810,225.48 × 161,085.81
  4. Step 4: Simplify right side
    540,161.94x = 130,515,827,728.44
  5. Step 5: Solve for x
    x = 130,515,827,728.44/540,161.94
  6. Step 6: Final answer
    x = 241,623.52

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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.