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Finding the Fourth Proportional to 154,663.40, 231,884.40 and 59,812.40

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Solution

The fourth proportional to 154,663.40, 231,884.40 and 59,812.40 is: 89,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,663.40 : 231,884.40 = 59,812.40 : x
  2. Step 2: Convert to fraction form
    154,663.40/231,884.40 = 59,812.40/x
  3. Step 3: Cross multiply
    154,663.40x = 231,884.40 × 59,812.40
  4. Step 4: Simplify right side
    154,663.40x = 13,869,562,486.56
  5. Step 5: Solve for x
    x = 13,869,562,486.56/154,663.40
  6. Step 6: Final answer
    x = 89,675.79

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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.