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Finding the Fourth Proportional to 230,980.48, 346,507.20 and 97,861.60

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Solution

The fourth proportional to 230,980.48, 346,507.20 and 97,861.60 is: 146,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,980.48 : 346,507.20 = 97,861.60 : x
  2. Step 2: Convert to fraction form
    230,980.48/346,507.20 = 97,861.60/x
  3. Step 3: Cross multiply
    230,980.48x = 346,507.20 × 97,861.60
  4. Step 4: Simplify right side
    230,980.48x = 33,909,749,003.52
  5. Step 5: Solve for x
    x = 33,909,749,003.52/230,980.48
  6. Step 6: Final answer
    x = 146,807.86

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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.