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Finding the Fourth Proportional to 242,362.68, 334,373.94 and 140,332.46

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Solution

The fourth proportional to 242,362.68, 334,373.94 and 140,332.46 is: 193,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,362.68 : 334,373.94 = 140,332.46 : x
  2. Step 2: Convert to fraction form
    242,362.68/334,373.94 = 140,332.46/x
  3. Step 3: Cross multiply
    242,362.68x = 334,373.94 × 140,332.46
  4. Step 4: Simplify right side
    242,362.68x = 46,923,515,888.22
  5. Step 5: Solve for x
    x = 46,923,515,888.22/242,362.68
  6. Step 6: Final answer
    x = 193,608.67

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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.