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Finding the Fourth Proportional to 268,753.76, 370,895.50 and 154,051.48

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Solution

The fourth proportional to 268,753.76, 370,895.50 and 154,051.48 is: 212,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,753.76 : 370,895.50 = 154,051.48 : x
  2. Step 2: Convert to fraction form
    268,753.76/370,895.50 = 154,051.48/x
  3. Step 3: Cross multiply
    268,753.76x = 370,895.50 × 154,051.48
  4. Step 4: Simplify right side
    268,753.76x = 57,137,000,700.34
  5. Step 5: Solve for x
    x = 57,137,000,700.34/268,753.76
  6. Step 6: Final answer
    x = 212,599.82

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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.