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Finding the Fourth Proportional to 219,871.04, 329,807.34 and 53,659.04

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Solution

The fourth proportional to 219,871.04, 329,807.34 and 53,659.04 is: 80,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,871.04 : 329,807.34 = 53,659.04 : x
  2. Step 2: Convert to fraction form
    219,871.04/329,807.34 = 53,659.04/x
  3. Step 3: Cross multiply
    219,871.04x = 329,807.34 × 53,659.04
  4. Step 4: Simplify right side
    219,871.04x = 17,697,145,249.35
  5. Step 5: Solve for x
    x = 17,697,145,249.35/219,871.04
  6. Step 6: Final answer
    x = 80,488.75

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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.