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Finding the Fourth Proportional to 172,152.32, 237,648 and 115,594.88

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Solution

The fourth proportional to 172,152.32, 237,648 and 115,594.88 is: 159,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,152.32 : 237,648 = 115,594.88 : x
  2. Step 2: Convert to fraction form
    172,152.32/237,648 = 115,594.88/x
  3. Step 3: Cross multiply
    172,152.32x = 237,648 × 115,594.88
  4. Step 4: Simplify right side
    172,152.32x = 27,470,892,042.24
  5. Step 5: Solve for x
    x = 27,470,892,042.24/172,152.32
  6. Step 6: Final answer
    x = 159,573.17

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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.