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Finding the Fourth Proportional to 372,671.34, 559,118.94 and 116,493.60

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Solution

The fourth proportional to 372,671.34, 559,118.94 and 116,493.60 is: 174,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,671.34 : 559,118.94 = 116,493.60 : x
  2. Step 2: Convert to fraction form
    372,671.34/559,118.94 = 116,493.60/x
  3. Step 3: Cross multiply
    372,671.34x = 559,118.94 × 116,493.60
  4. Step 4: Simplify right side
    372,671.34x = 65,133,778,148.78
  5. Step 5: Solve for x
    x = 65,133,778,148.78/372,671.34
  6. Step 6: Final answer
    x = 174,775.39

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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.