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Finding the Fourth Proportional to 276,303.32, 414,230.46 and 124,388.83

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Solution

The fourth proportional to 276,303.32, 414,230.46 and 124,388.83 is: 186,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,303.32 : 414,230.46 = 124,388.83 : x
  2. Step 2: Convert to fraction form
    276,303.32/414,230.46 = 124,388.83/x
  3. Step 3: Cross multiply
    276,303.32x = 414,230.46 × 124,388.83
  4. Step 4: Simplify right side
    276,303.32x = 51,525,642,269.76
  5. Step 5: Solve for x
    x = 51,525,642,269.76/276,303.32
  6. Step 6: Final answer
    x = 186,482.17

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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.