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Finding the Fourth Proportional to 375,432.88, 563,196.30 and 122,738.80

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Solution

The fourth proportional to 375,432.88, 563,196.30 and 122,738.80 is: 184,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,432.88 : 563,196.30 = 122,738.80 : x
  2. Step 2: Convert to fraction form
    375,432.88/563,196.30 = 122,738.80/x
  3. Step 3: Cross multiply
    375,432.88x = 563,196.30 × 122,738.80
  4. Step 4: Simplify right side
    375,432.88x = 69,126,038,026.44
  5. Step 5: Solve for x
    x = 69,126,038,026.44/375,432.88
  6. Step 6: Final answer
    x = 184,123.56

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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.