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Finding the Fourth Proportional to 56,594,167.80, 84,891,251.70 and 20,219,983.80

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Solution

The fourth proportional to 56,594,167.80, 84,891,251.70 and 20,219,983.80 is: 30,329,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,594,167.80 : 84,891,251.70 = 20,219,983.80 : x
  2. Step 2: Convert to fraction form
    56,594,167.80/84,891,251.70 = 20,219,983.80/x
  3. Step 3: Cross multiply
    56,594,167.80x = 84,891,251.70 × 20,219,983.80
  4. Step 4: Simplify right side
    56,594,167.80x = 1,716,499,734,135,722.50
  5. Step 5: Solve for x
    x = 1,716,499,734,135,722.50/56,594,167.80
  6. Step 6: Final answer
    x = 30,329,975.70

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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.