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Finding the Fourth Proportional to 132,368.10, 198,637.20 and 73,246.20

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Solution

The fourth proportional to 132,368.10, 198,637.20 and 73,246.20 is: 109,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,368.10 : 198,637.20 = 73,246.20 : x
  2. Step 2: Convert to fraction form
    132,368.10/198,637.20 = 73,246.20/x
  3. Step 3: Cross multiply
    132,368.10x = 198,637.20 × 73,246.20
  4. Step 4: Simplify right side
    132,368.10x = 14,549,420,078.64
  5. Step 5: Solve for x
    x = 14,549,420,078.64/132,368.10
  6. Step 6: Final answer
    x = 109,916.36

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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.