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Finding the Fourth Proportional to 67,798.32, 101,590.46 and 55,086.08

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Solution

The fourth proportional to 67,798.32, 101,590.46 and 55,086.08 is: 82,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,798.32 : 101,590.46 = 55,086.08 : x
  2. Step 2: Convert to fraction form
    67,798.32/101,590.46 = 55,086.08/x
  3. Step 3: Cross multiply
    67,798.32x = 101,590.46 × 55,086.08
  4. Step 4: Simplify right side
    67,798.32x = 5,596,220,206.80
  5. Step 5: Solve for x
    x = 5,596,220,206.80/67,798.32
  6. Step 6: Final answer
    x = 82,542.17

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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.