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Finding the Fourth Proportional to 79,794,330.84, 119,712,819.50 and 28,676,792.52

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Solution

The fourth proportional to 79,794,330.84, 119,712,819.50 and 28,676,792.52 is: 43,022,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794,330.84 : 119,712,819.50 = 28,676,792.52 : x
  2. Step 2: Convert to fraction form
    79,794,330.84/119,712,819.50 = 28,676,792.52/x
  3. Step 3: Cross multiply
    79,794,330.84x = 119,712,819.50 × 28,676,792.52
  4. Step 4: Simplify right side
    79,794,330.84x = 3,432,979,686,785,710
  5. Step 5: Solve for x
    x = 3,432,979,686,785,710/79,794,330.84
  6. Step 6: Final answer
    x = 43,022,852.01

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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.