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Finding the Fourth Proportional to 303,008.10, 418,154.11 and 167,047.02

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Solution

The fourth proportional to 303,008.10, 418,154.11 and 167,047.02 is: 230,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,008.10 : 418,154.11 = 167,047.02 : x
  2. Step 2: Convert to fraction form
    303,008.10/418,154.11 = 167,047.02/x
  3. Step 3: Cross multiply
    303,008.10x = 418,154.11 × 167,047.02
  4. Step 4: Simplify right side
    303,008.10x = 69,851,397,976.25
  5. Step 5: Solve for x
    x = 69,851,397,976.25/303,008.10
  6. Step 6: Final answer
    x = 230,526.50

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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.