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Finding the Fourth Proportional to 118,595.84, 177,892.79 and 48,425.94

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Solution

The fourth proportional to 118,595.84, 177,892.79 and 48,425.94 is: 72,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,595.84 : 177,892.79 = 48,425.94 : x
  2. Step 2: Convert to fraction form
    118,595.84/177,892.79 = 48,425.94/x
  3. Step 3: Cross multiply
    118,595.84x = 177,892.79 × 48,425.94
  4. Step 4: Simplify right side
    118,595.84x = 8,614,625,332.84
  5. Step 5: Solve for x
    x = 8,614,625,332.84/118,595.84
  6. Step 6: Final answer
    x = 72,638.51

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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.