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Finding the Fourth Proportional to 385,161.68, 577,771.68 and 104,674.88

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Solution

The fourth proportional to 385,161.68, 577,771.68 and 104,674.88 is: 157,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,161.68 : 577,771.68 = 104,674.88 : x
  2. Step 2: Convert to fraction form
    385,161.68/577,771.68 = 104,674.88/x
  3. Step 3: Cross multiply
    385,161.68x = 577,771.68 × 104,674.88
  4. Step 4: Simplify right side
    385,161.68x = 60,478,181,271.40
  5. Step 5: Solve for x
    x = 60,478,181,271.40/385,161.68
  6. Step 6: Final answer
    x = 157,020.24

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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.