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Finding the Fourth Proportional to 196,000.60, 293,309.70 and 136,557.40

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Solution

The fourth proportional to 196,000.60, 293,309.70 and 136,557.40 is: 204,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,000.60 : 293,309.70 = 136,557.40 : x
  2. Step 2: Convert to fraction form
    196,000.60/293,309.70 = 136,557.40/x
  3. Step 3: Cross multiply
    196,000.60x = 293,309.70 × 136,557.40
  4. Step 4: Simplify right side
    196,000.60x = 40,053,610,026.78
  5. Step 5: Solve for x
    x = 40,053,610,026.78/196,000.60
  6. Step 6: Final answer
    x = 204,354.53

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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.