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Finding the Fourth Proportional to 274,271.41, 378,575.01 and 159,577.03

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Solution

The fourth proportional to 274,271.41, 378,575.01 and 159,577.03 is: 220,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,271.41 : 378,575.01 = 159,577.03 : x
  2. Step 2: Convert to fraction form
    274,271.41/378,575.01 = 159,577.03/x
  3. Step 3: Cross multiply
    274,271.41x = 378,575.01 × 159,577.03
  4. Step 4: Simplify right side
    274,271.41x = 60,411,875,728.02
  5. Step 5: Solve for x
    x = 60,411,875,728.02/274,271.41
  6. Step 6: Final answer
    x = 220,263.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.