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Finding the Fourth Proportional to 65,302,662.54, 97,968,165.57 and 19,863,276.06

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Solution

The fourth proportional to 65,302,662.54, 97,968,165.57 and 19,863,276.06 is: 29,799,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,302,662.54 : 97,968,165.57 = 19,863,276.06 : x
  2. Step 2: Convert to fraction form
    65,302,662.54/97,968,165.57 = 19,863,276.06/x
  3. Step 3: Cross multiply
    65,302,662.54x = 97,968,165.57 × 19,863,276.06
  4. Step 4: Simplify right side
    65,302,662.54x = 1,945,968,717,808,697
  5. Step 5: Solve for x
    x = 1,945,968,717,808,697/65,302,662.54
  6. Step 6: Final answer
    x = 29,799,224.75

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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.