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Finding the Fourth Proportional to 375,163.32, 562,574.34 and 161,830.20

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Solution

The fourth proportional to 375,163.32, 562,574.34 and 161,830.20 is: 242,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,163.32 : 562,574.34 = 161,830.20 : x
  2. Step 2: Convert to fraction form
    375,163.32/562,574.34 = 161,830.20/x
  3. Step 3: Cross multiply
    375,163.32x = 562,574.34 × 161,830.20
  4. Step 4: Simplify right side
    375,163.32x = 91,041,517,957.07
  5. Step 5: Solve for x
    x = 91,041,517,957.07/375,163.32
  6. Step 6: Final answer
    x = 242,671.69

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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.