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Finding the Fourth Proportional to 230,129.02, 345,240.60 and 97,009.30

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Solution

The fourth proportional to 230,129.02, 345,240.60 and 97,009.30 is: 145,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,129.02 : 345,240.60 = 97,009.30 : x
  2. Step 2: Convert to fraction form
    230,129.02/345,240.60 = 97,009.30/x
  3. Step 3: Cross multiply
    230,129.02x = 345,240.60 × 97,009.30
  4. Step 4: Simplify right side
    230,129.02x = 33,491,548,937.58
  5. Step 5: Solve for x
    x = 33,491,548,937.58/230,129.02
  6. Step 6: Final answer
    x = 145,533.79

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1.5x scale

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.