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Finding the Fourth Proportional to 153,761.54, 230,640.93 and 48,580.52

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Solution

The fourth proportional to 153,761.54, 230,640.93 and 48,580.52 is: 72,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,761.54 : 230,640.93 = 48,580.52 : x
  2. Step 2: Convert to fraction form
    153,761.54/230,640.93 = 48,580.52/x
  3. Step 3: Cross multiply
    153,761.54x = 230,640.93 × 48,580.52
  4. Step 4: Simplify right side
    153,761.54x = 11,204,655,159.48
  5. Step 5: Solve for x
    x = 11,204,655,159.48/153,761.54
  6. Step 6: Final answer
    x = 72,870.34

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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.