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Finding the Fourth Proportional to 230,024.40, 345,052.80 and 130,232.40

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Solution

The fourth proportional to 230,024.40, 345,052.80 and 130,232.40 is: 195,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,024.40 : 345,052.80 = 130,232.40 : x
  2. Step 2: Convert to fraction form
    230,024.40/345,052.80 = 130,232.40/x
  3. Step 3: Cross multiply
    230,024.40x = 345,052.80 × 130,232.40
  4. Step 4: Simplify right side
    230,024.40x = 44,937,054,270.72
  5. Step 5: Solve for x
    x = 44,937,054,270.72/230,024.40
  6. Step 6: Final answer
    x = 195,357.77

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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.