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Finding the Fourth Proportional to 60,179.04, 90,218.88 and 53,619.12

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Solution

The fourth proportional to 60,179.04, 90,218.88 and 53,619.12 is: 80,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,179.04 : 90,218.88 = 53,619.12 : x
  2. Step 2: Convert to fraction form
    60,179.04/90,218.88 = 53,619.12/x
  3. Step 3: Cross multiply
    60,179.04x = 90,218.88 × 53,619.12
  4. Step 4: Simplify right side
    60,179.04x = 4,837,456,952.99
  5. Step 5: Solve for x
    x = 4,837,456,952.99/60,179.04
  6. Step 6: Final answer
    x = 80,384.42

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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.