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Finding the Fourth Proportional to 155,458.60, 232,814.18 and 88,696.31

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Solution

The fourth proportional to 155,458.60, 232,814.18 and 88,696.31 is: 132,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.60 : 232,814.18 = 88,696.31 : x
  2. Step 2: Convert to fraction form
    155,458.60/232,814.18 = 88,696.31/x
  3. Step 3: Cross multiply
    155,458.60x = 232,814.18 × 88,696.31
  4. Step 4: Simplify right side
    155,458.60x = 20,649,757,739.35
  5. Step 5: Solve for x
    x = 20,649,757,739.35/155,458.60
  6. Step 6: Final answer
    x = 132,831.24

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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.