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Finding the Fourth Proportional to 118,957.62, 164,166.24 and 65,244.60

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Solution

The fourth proportional to 118,957.62, 164,166.24 and 65,244.60 is: 90,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,957.62 : 164,166.24 = 65,244.60 : x
  2. Step 2: Convert to fraction form
    118,957.62/164,166.24 = 65,244.60/x
  3. Step 3: Cross multiply
    118,957.62x = 164,166.24 × 65,244.60
  4. Step 4: Simplify right side
    118,957.62x = 10,710,960,662.30
  5. Step 5: Solve for x
    x = 10,710,960,662.30/118,957.62
  6. Step 6: Final answer
    x = 90,040.14

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1.5x scale

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.