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Finding the Fourth Proportional to 132,764.84, 183,215.40 and 73,148.84

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Solution

The fourth proportional to 132,764.84, 183,215.40 and 73,148.84 is: 100,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,764.84 : 183,215.40 = 73,148.84 : x
  2. Step 2: Convert to fraction form
    132,764.84/183,215.40 = 73,148.84/x
  3. Step 3: Cross multiply
    132,764.84x = 183,215.40 × 73,148.84
  4. Step 4: Simplify right side
    132,764.84x = 13,401,993,980.14
  5. Step 5: Solve for x
    x = 13,401,993,980.14/132,764.84
  6. Step 6: Final answer
    x = 100,945.36

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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.