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Finding the Fourth Proportional to 155,458.89, 232,814.64 and 88,696.61

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Solution

The fourth proportional to 155,458.89, 232,814.64 and 88,696.61 is: 132,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.89 : 232,814.64 = 88,696.61 : x
  2. Step 2: Convert to fraction form
    155,458.89/232,814.64 = 88,696.61/x
  3. Step 3: Cross multiply
    155,458.89x = 232,814.64 × 88,696.61
  4. Step 4: Simplify right side
    155,458.89x = 20,649,868,162.30
  5. Step 5: Solve for x
    x = 20,649,868,162.30/155,458.89
  6. Step 6: Final answer
    x = 132,831.70

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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.