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Finding the Fourth Proportional to 139,292.55, 208,914.12 and 63,373.46

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Solution

The fourth proportional to 139,292.55, 208,914.12 and 63,373.46 is: 95,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,292.55 : 208,914.12 = 63,373.46 : x
  2. Step 2: Convert to fraction form
    139,292.55/208,914.12 = 63,373.46/x
  3. Step 3: Cross multiply
    139,292.55x = 208,914.12 × 63,373.46
  4. Step 4: Simplify right side
    139,292.55x = 13,239,609,582.68
  5. Step 5: Solve for x
    x = 13,239,609,582.68/139,292.55
  6. Step 6: Final answer
    x = 95,048.94

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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.