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Finding the Fourth Proportional to 97,467.80, 146,201.70 and 35,130.20

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Solution

The fourth proportional to 97,467.80, 146,201.70 and 35,130.20 is: 52,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,467.80 : 146,201.70 = 35,130.20 : x
  2. Step 2: Convert to fraction form
    97,467.80/146,201.70 = 35,130.20/x
  3. Step 3: Cross multiply
    97,467.80x = 146,201.70 × 35,130.20
  4. Step 4: Simplify right side
    97,467.80x = 5,136,094,961.34
  5. Step 5: Solve for x
    x = 5,136,094,961.34/97,467.80
  6. Step 6: Final answer
    x = 52,695.30

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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.