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Finding the Fourth Proportional to 267,300.99, 401,011.34 and 89,803.17

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Solution

The fourth proportional to 267,300.99, 401,011.34 and 89,803.17 is: 134,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,300.99 : 401,011.34 = 89,803.17 : x
  2. Step 2: Convert to fraction form
    267,300.99/401,011.34 = 89,803.17/x
  3. Step 3: Cross multiply
    267,300.99x = 401,011.34 × 89,803.17
  4. Step 4: Simplify right side
    267,300.99x = 36,012,089,088.93
  5. Step 5: Solve for x
    x = 36,012,089,088.93/267,300.99
  6. Step 6: Final answer
    x = 134,724.86

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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.