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Finding the Fourth Proportional to 29,899,477.20, 41,887,611.60 and 29,899,477.20

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Solution

The fourth proportional to 29,899,477.20, 41,887,611.60 and 29,899,477.20 is: 41,887,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,899,477.20 : 41,887,611.60 = 29,899,477.20 : x
  2. Step 2: Convert to fraction form
    29,899,477.20/41,887,611.60 = 29,899,477.20/x
  3. Step 3: Cross multiply
    29,899,477.20x = 41,887,611.60 × 29,899,477.20
  4. Step 4: Simplify right side
    29,899,477.20x = 1,252,417,687,996,655.50
  5. Step 5: Solve for x
    x = 1,252,417,687,996,655.50/29,899,477.20
  6. Step 6: Final answer
    x = 41,887,611.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.