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Finding the Fourth Proportional to 108,304.40, 162,427.80 and 33,424.40

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Solution

The fourth proportional to 108,304.40, 162,427.80 and 33,424.40 is: 50,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,304.40 : 162,427.80 = 33,424.40 : x
  2. Step 2: Convert to fraction form
    108,304.40/162,427.80 = 33,424.40/x
  3. Step 3: Cross multiply
    108,304.40x = 162,427.80 × 33,424.40
  4. Step 4: Simplify right side
    108,304.40x = 5,429,051,758.32
  5. Step 5: Solve for x
    x = 5,429,051,758.32/108,304.40
  6. Step 6: Final answer
    x = 50,127.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.