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Finding the Fourth Proportional to 253,206.48, 379,692.62 and 93,242.02

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Solution

The fourth proportional to 253,206.48, 379,692.62 and 93,242.02 is: 139,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,206.48 : 379,692.62 = 93,242.02 : x
  2. Step 2: Convert to fraction form
    253,206.48/379,692.62 = 93,242.02/x
  3. Step 3: Cross multiply
    253,206.48x = 379,692.62 × 93,242.02
  4. Step 4: Simplify right side
    253,206.48x = 35,403,306,867.89
  5. Step 5: Solve for x
    x = 35,403,306,867.89/253,206.48
  6. Step 6: Final answer
    x = 139,819.91

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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.