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Finding the Fourth Proportional to 153,793.48, 230,688.83 and 48,612.48

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Solution

The fourth proportional to 153,793.48, 230,688.83 and 48,612.48 is: 72,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793.48 : 230,688.83 = 48,612.48 : x
  2. Step 2: Convert to fraction form
    153,793.48/230,688.83 = 48,612.48/x
  3. Step 3: Cross multiply
    153,793.48x = 230,688.83 × 48,612.48
  4. Step 4: Simplify right side
    153,793.48x = 11,214,354,738.09
  5. Step 5: Solve for x
    x = 11,214,354,738.09/153,793.48
  6. Step 6: Final answer
    x = 72,918.27

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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.