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Finding the Fourth Proportional to 155,325.80, 232,470.30 and 108,669.80

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Solution

The fourth proportional to 155,325.80, 232,470.30 and 108,669.80 is: 162,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,325.80 : 232,470.30 = 108,669.80 : x
  2. Step 2: Convert to fraction form
    155,325.80/232,470.30 = 108,669.80/x
  3. Step 3: Cross multiply
    155,325.80x = 232,470.30 × 108,669.80
  4. Step 4: Simplify right side
    155,325.80x = 25,262,501,006.94
  5. Step 5: Solve for x
    x = 25,262,501,006.94/155,325.80
  6. Step 6: Final answer
    x = 162,642.01

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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.