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Finding the Fourth Proportional to 276,039,059.20, 413,706,919.20 and 146,708,627.20

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Solution

The fourth proportional to 276,039,059.20, 413,706,919.20 and 146,708,627.20 is: 219,876,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,039,059.20 : 413,706,919.20 = 146,708,627.20 : x
  2. Step 2: Convert to fraction form
    276,039,059.20/413,706,919.20 = 146,708,627.20/x
  3. Step 3: Cross multiply
    276,039,059.20x = 413,706,919.20 × 146,708,627.20
  4. Step 4: Simplify right side
    276,039,059.20x = 60,694,374,178,973,312
  5. Step 5: Solve for x
    x = 60,694,374,178,973,312/276,039,059.20
  6. Step 6: Final answer
    x = 219,876,036.22

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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.