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Finding the Fourth Proportional to 197,325.60, 296,026.80 and 85,005.60

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Solution

The fourth proportional to 197,325.60, 296,026.80 and 85,005.60 is: 127,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,325.60 : 296,026.80 = 85,005.60 : x
  2. Step 2: Convert to fraction form
    197,325.60/296,026.80 = 85,005.60/x
  3. Step 3: Cross multiply
    197,325.60x = 296,026.80 × 85,005.60
  4. Step 4: Simplify right side
    197,325.60x = 25,163,935,750.08
  5. Step 5: Solve for x
    x = 25,163,935,750.08/197,325.60
  6. Step 6: Final answer
    x = 127,524.94

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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.