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Finding the Fourth Proportional to 118,595.30, 163,564.08 and 84,592.91

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Solution

The fourth proportional to 118,595.30, 163,564.08 and 84,592.91 is: 116,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,595.30 : 163,564.08 = 84,592.91 : x
  2. Step 2: Convert to fraction form
    118,595.30/163,564.08 = 84,592.91/x
  3. Step 3: Cross multiply
    118,595.30x = 163,564.08 × 84,592.91
  4. Step 4: Simplify right side
    118,595.30x = 13,836,361,590.36
  5. Step 5: Solve for x
    x = 13,836,361,590.36/118,595.30
  6. Step 6: Final answer
    x = 116,668.72

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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.