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Finding the Fourth Proportional to 136,500.32, 204,750.51 and 53,336

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Solution

The fourth proportional to 136,500.32, 204,750.51 and 53,336 is: 80,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,500.32 : 204,750.51 = 53,336 : x
  2. Step 2: Convert to fraction form
    136,500.32/204,750.51 = 53,336/x
  3. Step 3: Cross multiply
    136,500.32x = 204,750.51 × 53,336
  4. Step 4: Simplify right side
    136,500.32x = 10,920,573,201.36
  5. Step 5: Solve for x
    x = 10,920,573,201.36/136,500.32
  6. Step 6: Final answer
    x = 80,004.01

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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.