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Finding the Fourth Proportional to 303,492.16, 418,819.36 and 167,526.24

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Solution

The fourth proportional to 303,492.16, 418,819.36 and 167,526.24 is: 231,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,492.16 : 418,819.36 = 167,526.24 : x
  2. Step 2: Convert to fraction form
    303,492.16/418,819.36 = 167,526.24/x
  3. Step 3: Cross multiply
    303,492.16x = 418,819.36 × 167,526.24
  4. Step 4: Simplify right side
    303,492.16x = 70,163,232,620.01
  5. Step 5: Solve for x
    x = 70,163,232,620.01/303,492.16
  6. Step 6: Final answer
    x = 231,186.31

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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.