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Finding the Fourth Proportional to 117,777.39, 162,537.11 and 67,486.11

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Solution

The fourth proportional to 117,777.39, 162,537.11 and 67,486.11 is: 93,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,777.39 : 162,537.11 = 67,486.11 : x
  2. Step 2: Convert to fraction form
    117,777.39/162,537.11 = 67,486.11/x
  3. Step 3: Cross multiply
    117,777.39x = 162,537.11 × 67,486.11
  4. Step 4: Simplify right side
    117,777.39x = 10,968,996,947.11
  5. Step 5: Solve for x
    x = 10,968,996,947.11/117,777.39
  6. Step 6: Final answer
    x = 93,133.30

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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.