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Finding the Fourth Proportional to 246,200.72, 369,162.56 and 77,689.64

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Solution

The fourth proportional to 246,200.72, 369,162.56 and 77,689.64 is: 116,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,200.72 : 369,162.56 = 77,689.64 : x
  2. Step 2: Convert to fraction form
    246,200.72/369,162.56 = 77,689.64/x
  3. Step 3: Cross multiply
    246,200.72x = 369,162.56 × 77,689.64
  4. Step 4: Simplify right side
    246,200.72x = 28,680,106,387.88
  5. Step 5: Solve for x
    x = 28,680,106,387.88/246,200.72
  6. Step 6: Final answer
    x = 116,490.75

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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.