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Finding the Fourth Proportional to 117,996.96, 162,830.88 and 64,282.08

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Solution

The fourth proportional to 117,996.96, 162,830.88 and 64,282.08 is: 88,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996.96 : 162,830.88 = 64,282.08 : x
  2. Step 2: Convert to fraction form
    117,996.96/162,830.88 = 64,282.08/x
  3. Step 3: Cross multiply
    117,996.96x = 162,830.88 × 64,282.08
  4. Step 4: Simplify right side
    117,996.96x = 10,467,107,654.63
  5. Step 5: Solve for x
    x = 10,467,107,654.63/117,996.96
  6. Step 6: Final answer
    x = 88,706.59

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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.