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Finding the Fourth Proportional to 276,075.95, 414,113.72 and 89,087.45

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Solution

The fourth proportional to 276,075.95, 414,113.72 and 89,087.45 is: 133,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,075.95 : 414,113.72 = 89,087.45 : x
  2. Step 2: Convert to fraction form
    276,075.95/414,113.72 = 89,087.45/x
  3. Step 3: Cross multiply
    276,075.95x = 414,113.72 × 89,087.45
  4. Step 4: Simplify right side
    276,075.95x = 36,892,332,808.81
  5. Step 5: Solve for x
    x = 36,892,332,808.81/276,075.95
  6. Step 6: Final answer
    x = 133,631.10

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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.