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Finding the Fourth Proportional to 197,152.20, 295,655.40 and 64,036.80

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Solution

The fourth proportional to 197,152.20, 295,655.40 and 64,036.80 is: 96,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,152.20 : 295,655.40 = 64,036.80 : x
  2. Step 2: Convert to fraction form
    197,152.20/295,655.40 = 64,036.80/x
  3. Step 3: Cross multiply
    197,152.20x = 295,655.40 × 64,036.80
  4. Step 4: Simplify right side
    197,152.20x = 18,932,825,718.72
  5. Step 5: Solve for x
    x = 18,932,825,718.72/197,152.20
  6. Step 6: Final answer
    x = 96,031.52

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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.