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Finding the Fourth Proportional to 303,526.89, 418,870.50 and 167,560.91

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Solution

The fourth proportional to 303,526.89, 418,870.50 and 167,560.91 is: 231,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,526.89 : 418,870.50 = 167,560.91 : x
  2. Step 2: Convert to fraction form
    303,526.89/418,870.50 = 167,560.91/x
  3. Step 3: Cross multiply
    303,526.89x = 418,870.50 × 167,560.91
  4. Step 4: Simplify right side
    303,526.89x = 70,186,322,152.16
  5. Step 5: Solve for x
    x = 70,186,322,152.16/303,526.89
  6. Step 6: Final answer
    x = 231,235.93

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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.