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Finding the Fourth Proportional to 122,062.58, 182,178.76 and 114,090.92

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Solution

The fourth proportional to 122,062.58, 182,178.76 and 114,090.92 is: 170,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,062.58 : 182,178.76 = 114,090.92 : x
  2. Step 2: Convert to fraction form
    122,062.58/182,178.76 = 114,090.92/x
  3. Step 3: Cross multiply
    122,062.58x = 182,178.76 × 114,090.92
  4. Step 4: Simplify right side
    122,062.58x = 20,784,942,332.86
  5. Step 5: Solve for x
    x = 20,784,942,332.86/122,062.58
  6. Step 6: Final answer
    x = 170,281.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.