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Finding the Fourth Proportional to 133,032.80, 199,549.20 and 130,408.40

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Solution

The fourth proportional to 133,032.80, 199,549.20 and 130,408.40 is: 195,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.80 : 199,549.20 = 130,408.40 : x
  2. Step 2: Convert to fraction form
    133,032.80/199,549.20 = 130,408.40/x
  3. Step 3: Cross multiply
    133,032.80x = 199,549.20 × 130,408.40
  4. Step 4: Simplify right side
    133,032.80x = 26,022,891,893.28
  5. Step 5: Solve for x
    x = 26,022,891,893.28/133,032.80
  6. Step 6: Final answer
    x = 195,612.60

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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.