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Finding the Fourth Proportional to 155,087.80, 232,850.40 and 96,038.80

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Solution

The fourth proportional to 155,087.80, 232,850.40 and 96,038.80 is: 144,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,087.80 : 232,850.40 = 96,038.80 : x
  2. Step 2: Convert to fraction form
    155,087.80/232,850.40 = 96,038.80/x
  3. Step 3: Cross multiply
    155,087.80x = 232,850.40 × 96,038.80
  4. Step 4: Simplify right side
    155,087.80x = 22,362,672,995.52
  5. Step 5: Solve for x
    x = 22,362,672,995.52/155,087.80
  6. Step 6: Final answer
    x = 144,193.63

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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.