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Finding the Fourth Proportional to 395,219.92, 592,831.36 and 95,700

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Solution

The fourth proportional to 395,219.92, 592,831.36 and 95,700 is: 143,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,219.92 : 592,831.36 = 95,700 : x
  2. Step 2: Convert to fraction form
    395,219.92/592,831.36 = 95,700/x
  3. Step 3: Cross multiply
    395,219.92x = 592,831.36 × 95,700
  4. Step 4: Simplify right side
    395,219.92x = 56,733,961,152
  5. Step 5: Solve for x
    x = 56,733,961,152/395,219.92
  6. Step 6: Final answer
    x = 143,550.36

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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.