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Finding the Fourth Proportional to 153,108, 229,662.96 and 42,300.96

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Solution

The fourth proportional to 153,108, 229,662.96 and 42,300.96 is: 63,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,108 : 229,662.96 = 42,300.96 : x
  2. Step 2: Convert to fraction form
    153,108/229,662.96 = 42,300.96/x
  3. Step 3: Cross multiply
    153,108x = 229,662.96 × 42,300.96
  4. Step 4: Simplify right side
    153,108x = 9,714,963,684.44
  5. Step 5: Solve for x
    x = 9,714,963,684.44/153,108
  6. Step 6: Final answer
    x = 63,451.71

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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.