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Finding the Fourth Proportional to 230,366.56, 345,649.68 and 112,140.64

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Solution

The fourth proportional to 230,366.56, 345,649.68 and 112,140.64 is: 168,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,366.56 : 345,649.68 = 112,140.64 : x
  2. Step 2: Convert to fraction form
    230,366.56/345,649.68 = 112,140.64/x
  3. Step 3: Cross multiply
    230,366.56x = 345,649.68 × 112,140.64
  4. Step 4: Simplify right side
    230,366.56x = 38,761,376,331.00
  5. Step 5: Solve for x
    x = 38,761,376,331.00/230,366.56
  6. Step 6: Final answer
    x = 168,259.56

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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.