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Finding the Fourth Proportional to 276,763.74, 414,822.98 and 127,019.84

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Solution

The fourth proportional to 276,763.74, 414,822.98 and 127,019.84 is: 190,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,763.74 : 414,822.98 = 127,019.84 : x
  2. Step 2: Convert to fraction form
    276,763.74/414,822.98 = 127,019.84/x
  3. Step 3: Cross multiply
    276,763.74x = 414,822.98 × 127,019.84
  4. Step 4: Simplify right side
    276,763.74x = 52,690,748,547.92
  5. Step 5: Solve for x
    x = 52,690,748,547.92/276,763.74
  6. Step 6: Final answer
    x = 190,381.69

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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.