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Finding the Fourth Proportional to 73,847.80, 102,043.20 and 52,590.16

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Solution

The fourth proportional to 73,847.80, 102,043.20 and 52,590.16 is: 72,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,847.80 : 102,043.20 = 52,590.16 : x
  2. Step 2: Convert to fraction form
    73,847.80/102,043.20 = 52,590.16/x
  3. Step 3: Cross multiply
    73,847.80x = 102,043.20 × 52,590.16
  4. Step 4: Simplify right side
    73,847.80x = 5,366,468,214.91
  5. Step 5: Solve for x
    x = 5,366,468,214.91/73,847.80
  6. Step 6: Final answer
    x = 72,669.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.