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Finding the Fourth Proportional to 372,752, 559,132.32 and 92,271.68

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Solution

The fourth proportional to 372,752, 559,132.32 and 92,271.68 is: 138,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,752 : 559,132.32 = 92,271.68 : x
  2. Step 2: Convert to fraction form
    372,752/559,132.32 = 92,271.68/x
  3. Step 3: Cross multiply
    372,752x = 559,132.32 × 92,271.68
  4. Step 4: Simplify right side
    372,752x = 51,592,078,508.70
  5. Step 5: Solve for x
    x = 51,592,078,508.70/372,752
  6. Step 6: Final answer
    x = 138,408.59

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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.