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Finding the Fourth Proportional to 375,131.13, 562,526.49 and 161,798.23

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Solution

The fourth proportional to 375,131.13, 562,526.49 and 161,798.23 is: 242,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,131.13 : 562,526.49 = 161,798.23 : x
  2. Step 2: Convert to fraction form
    375,131.13/562,526.49 = 161,798.23/x
  3. Step 3: Cross multiply
    375,131.13x = 562,526.49 × 161,798.23
  4. Step 4: Simplify right side
    375,131.13x = 91,015,790,410.11
  5. Step 5: Solve for x
    x = 91,015,790,410.11/375,131.13
  6. Step 6: Final answer
    x = 242,623.93

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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.