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Finding the Fourth Proportional to 194,808.40, 292,212.60 and 159,787.60

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Solution

The fourth proportional to 194,808.40, 292,212.60 and 159,787.60 is: 239,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808.40 : 292,212.60 = 159,787.60 : x
  2. Step 2: Convert to fraction form
    194,808.40/292,212.60 = 159,787.60/x
  3. Step 3: Cross multiply
    194,808.40x = 292,212.60 × 159,787.60
  4. Step 4: Simplify right side
    194,808.40x = 46,691,950,043.76
  5. Step 5: Solve for x
    x = 46,691,950,043.76/194,808.40
  6. Step 6: Final answer
    x = 239,681.40

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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.