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Finding the Fourth Proportional to 273,064.86, 376,831.20 and 152,213.82

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Solution

The fourth proportional to 273,064.86, 376,831.20 and 152,213.82 is: 210,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,064.86 : 376,831.20 = 152,213.82 : x
  2. Step 2: Convert to fraction form
    273,064.86/376,831.20 = 152,213.82/x
  3. Step 3: Cross multiply
    273,064.86x = 376,831.20 × 152,213.82
  4. Step 4: Simplify right side
    273,064.86x = 57,358,916,447.18
  5. Step 5: Solve for x
    x = 57,358,916,447.18/273,064.86
  6. Step 6: Final answer
    x = 210,056.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.