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Finding the Fourth Proportional to 153,866.90, 230,901.27 and 54,024.52

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Solution

The fourth proportional to 153,866.90, 230,901.27 and 54,024.52 is: 81,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,866.90 : 230,901.27 = 54,024.52 : x
  2. Step 2: Convert to fraction form
    153,866.90/230,901.27 = 54,024.52/x
  3. Step 3: Cross multiply
    153,866.90x = 230,901.27 × 54,024.52
  4. Step 4: Simplify right side
    153,866.90x = 12,474,330,365.18
  5. Step 5: Solve for x
    x = 12,474,330,365.18/153,866.90
  6. Step 6: Final answer
    x = 81,072.22

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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.