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Finding the Fourth Proportional to 192,573.72, 288,866.50 and 52,335.32

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Solution

The fourth proportional to 192,573.72, 288,866.50 and 52,335.32 is: 78,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,573.72 : 288,866.50 = 52,335.32 : x
  2. Step 2: Convert to fraction form
    192,573.72/288,866.50 = 52,335.32/x
  3. Step 3: Cross multiply
    192,573.72x = 288,866.50 × 52,335.32
  4. Step 4: Simplify right side
    192,573.72x = 15,117,920,714.78
  5. Step 5: Solve for x
    x = 15,117,920,714.78/192,573.72
  6. Step 6: Final answer
    x = 78,504.59

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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.