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Finding the Fourth Proportional to 276,151.50, 414,232.29 and 86,607.63

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Solution

The fourth proportional to 276,151.50, 414,232.29 and 86,607.63 is: 129,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,151.50 : 414,232.29 = 86,607.63 : x
  2. Step 2: Convert to fraction form
    276,151.50/414,232.29 = 86,607.63/x
  3. Step 3: Cross multiply
    276,151.50x = 414,232.29 × 86,607.63
  4. Step 4: Simplify right side
    276,151.50x = 35,875,676,906.37
  5. Step 5: Solve for x
    x = 35,875,676,906.37/276,151.50
  6. Step 6: Final answer
    x = 129,913.03

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1.5x scale

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.