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Finding the Fourth Proportional to 276,369.59, 414,549.74 and 124,482.18

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Solution

The fourth proportional to 276,369.59, 414,549.74 and 124,482.18 is: 186,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,369.59 : 414,549.74 = 124,482.18 : x
  2. Step 2: Convert to fraction form
    276,369.59/414,549.74 = 124,482.18/x
  3. Step 3: Cross multiply
    276,369.59x = 414,549.74 × 124,482.18
  4. Step 4: Simplify right side
    276,369.59x = 51,604,054,731.22
  5. Step 5: Solve for x
    x = 51,604,054,731.22/276,369.59
  6. Step 6: Final answer
    x = 186,721.18

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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.