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Finding the Fourth Proportional to 153,848.34, 230,772.51 and 43,040.34

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Solution

The fourth proportional to 153,848.34, 230,772.51 and 43,040.34 is: 64,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,848.34 : 230,772.51 = 43,040.34 : x
  2. Step 2: Convert to fraction form
    153,848.34/230,772.51 = 43,040.34/x
  3. Step 3: Cross multiply
    153,848.34x = 230,772.51 × 43,040.34
  4. Step 4: Simplify right side
    153,848.34x = 9,932,527,293.05
  5. Step 5: Solve for x
    x = 9,932,527,293.05/153,848.34
  6. Step 6: Final answer
    x = 64,560.51

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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.