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Finding the Fourth Proportional to 156,798.70, 234,852.45 and 136,062.70

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Solution

The fourth proportional to 156,798.70, 234,852.45 and 136,062.70 is: 203,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,798.70 : 234,852.45 = 136,062.70 : x
  2. Step 2: Convert to fraction form
    156,798.70/234,852.45 = 136,062.70/x
  3. Step 3: Cross multiply
    156,798.70x = 234,852.45 × 136,062.70
  4. Step 4: Simplify right side
    156,798.70x = 31,954,658,448.62
  5. Step 5: Solve for x
    x = 31,954,658,448.62/156,798.70
  6. Step 6: Final answer
    x = 203,794.15

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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.