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Finding the Fourth Proportional to 74,794,281.60, 112,158,244.80 and 34,383,964.80

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Solution

The fourth proportional to 74,794,281.60, 112,158,244.80 and 34,383,964.80 is: 51,560,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794,281.60 : 112,158,244.80 = 34,383,964.80 : x
  2. Step 2: Convert to fraction form
    74,794,281.60/112,158,244.80 = 34,383,964.80/x
  3. Step 3: Cross multiply
    74,794,281.60x = 112,158,244.80 × 34,383,964.80
  4. Step 4: Simplify right side
    74,794,281.60x = 3,856,445,141,232,982.50
  5. Step 5: Solve for x
    x = 3,856,445,141,232,982.50/74,794,281.60
  6. Step 6: Final answer
    x = 51,560,695.00

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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.