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Finding the Fourth Proportional to 153,992.14, 212,503.14 and 96,662.26

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Solution

The fourth proportional to 153,992.14, 212,503.14 and 96,662.26 is: 133,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,992.14 : 212,503.14 = 96,662.26 : x
  2. Step 2: Convert to fraction form
    153,992.14/212,503.14 = 96,662.26/x
  3. Step 3: Cross multiply
    153,992.14x = 212,503.14 × 96,662.26
  4. Step 4: Simplify right side
    153,992.14x = 20,541,033,769.50
  5. Step 5: Solve for x
    x = 20,541,033,769.50/153,992.14
  6. Step 6: Final answer
    x = 133,390.14

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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.