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Finding the Fourth Proportional to 194,671.20, 292,006.80 and 132,002.40

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Solution

The fourth proportional to 194,671.20, 292,006.80 and 132,002.40 is: 198,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,671.20 : 292,006.80 = 132,002.40 : x
  2. Step 2: Convert to fraction form
    194,671.20/292,006.80 = 132,002.40/x
  3. Step 3: Cross multiply
    194,671.20x = 292,006.80 × 132,002.40
  4. Step 4: Simplify right side
    194,671.20x = 38,545,598,416.32
  5. Step 5: Solve for x
    x = 38,545,598,416.32/194,671.20
  6. Step 6: Final answer
    x = 198,003.60

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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.