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Finding the Fourth Proportional to 70,467.75, 97,296.53 and 45,360.99

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Solution

The fourth proportional to 70,467.75, 97,296.53 and 45,360.99 is: 62,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,467.75 : 97,296.53 = 45,360.99 : x
  2. Step 2: Convert to fraction form
    70,467.75/97,296.53 = 45,360.99/x
  3. Step 3: Cross multiply
    70,467.75x = 97,296.53 × 45,360.99
  4. Step 4: Simplify right side
    70,467.75x = 4,413,466,697.56
  5. Step 5: Solve for x
    x = 4,413,466,697.56/70,467.75
  6. Step 6: Final answer
    x = 62,631.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.