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Finding the Fourth Proportional to 231,699.68, 347,301.12 and 151,707.32

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Solution

The fourth proportional to 231,699.68, 347,301.12 and 151,707.32 is: 227,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,699.68 : 347,301.12 = 151,707.32 : x
  2. Step 2: Convert to fraction form
    231,699.68/347,301.12 = 151,707.32/x
  3. Step 3: Cross multiply
    231,699.68x = 347,301.12 × 151,707.32
  4. Step 4: Simplify right side
    231,699.68x = 52,688,122,148.20
  5. Step 5: Solve for x
    x = 52,688,122,148.20/231,699.68
  6. Step 6: Final answer
    x = 227,398.34

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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.