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Finding the Fourth Proportional to 155,326.80, 232,471.80 and 108,670.80

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Solution

The fourth proportional to 155,326.80, 232,471.80 and 108,670.80 is: 162,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,326.80 : 232,471.80 = 108,670.80 : x
  2. Step 2: Convert to fraction form
    155,326.80/232,471.80 = 108,670.80/x
  3. Step 3: Cross multiply
    155,326.80x = 232,471.80 × 108,670.80
  4. Step 4: Simplify right side
    155,326.80x = 25,262,896,483.44
  5. Step 5: Solve for x
    x = 25,262,896,483.44/155,326.80
  6. Step 6: Final answer
    x = 162,643.51

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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.