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Finding the Fourth Proportional to 168,612.58, 232,415.10 and 114,147.58

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Solution

The fourth proportional to 168,612.58, 232,415.10 and 114,147.58 is: 157,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,612.58 : 232,415.10 = 114,147.58 : x
  2. Step 2: Convert to fraction form
    168,612.58/232,415.10 = 114,147.58/x
  3. Step 3: Cross multiply
    168,612.58x = 232,415.10 × 114,147.58
  4. Step 4: Simplify right side
    168,612.58x = 26,529,621,220.46
  5. Step 5: Solve for x
    x = 26,529,621,220.46/168,612.58
  6. Step 6: Final answer
    x = 157,340.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.