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Finding the Fourth Proportional to 344,803.74, 517,039.02 and 120,158.88

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Solution

The fourth proportional to 344,803.74, 517,039.02 and 120,158.88 is: 180,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,803.74 : 517,039.02 = 120,158.88 : x
  2. Step 2: Convert to fraction form
    344,803.74/517,039.02 = 120,158.88/x
  3. Step 3: Cross multiply
    344,803.74x = 517,039.02 × 120,158.88
  4. Step 4: Simplify right side
    344,803.74x = 62,126,829,559.50
  5. Step 5: Solve for x
    x = 62,126,829,559.50/344,803.74
  6. Step 6: Final answer
    x = 180,180.27

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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.