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Finding the Fourth Proportional to 118,536.90, 163,579.35 and 67,552.67

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Solution

The fourth proportional to 118,536.90, 163,579.35 and 67,552.67 is: 93,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536.90 : 163,579.35 = 67,552.67 : x
  2. Step 2: Convert to fraction form
    118,536.90/163,579.35 = 67,552.67/x
  3. Step 3: Cross multiply
    118,536.90x = 163,579.35 × 67,552.67
  4. Step 4: Simplify right side
    118,536.90x = 11,050,221,898.21
  5. Step 5: Solve for x
    x = 11,050,221,898.21/118,536.90
  6. Step 6: Final answer
    x = 93,221.79

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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.