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Finding the Fourth Proportional to 69,584,429.60, 104,376,644.40 and 29,223,879.20

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Solution

The fourth proportional to 69,584,429.60, 104,376,644.40 and 29,223,879.20 is: 43,835,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,584,429.60 : 104,376,644.40 = 29,223,879.20 : x
  2. Step 2: Convert to fraction form
    69,584,429.60/104,376,644.40 = 29,223,879.20/x
  3. Step 3: Cross multiply
    69,584,429.60x = 104,376,644.40 × 29,223,879.20
  4. Step 4: Simplify right side
    69,584,429.60x = 3,050,290,447,246,956.50
  5. Step 5: Solve for x
    x = 3,050,290,447,246,956.50/69,584,429.60
  6. Step 6: Final answer
    x = 43,835,818.80

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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.