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Finding the Fourth Proportional to 64,962,003.40, 97,443,005.10 and 19,523,797.90

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Solution

The fourth proportional to 64,962,003.40, 97,443,005.10 and 19,523,797.90 is: 29,285,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,962,003.40 : 97,443,005.10 = 19,523,797.90 : x
  2. Step 2: Convert to fraction form
    64,962,003.40/97,443,005.10 = 19,523,797.90/x
  3. Step 3: Cross multiply
    64,962,003.40x = 97,443,005.10 × 19,523,797.90
  4. Step 4: Simplify right side
    64,962,003.40x = 1,902,457,538,341,069
  5. Step 5: Solve for x
    x = 1,902,457,538,341,069/64,962,003.40
  6. Step 6: Final answer
    x = 29,285,696.85

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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.