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Finding the Fourth Proportional to 219,184.80, 328,810.05 and 92,824.80

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Solution

The fourth proportional to 219,184.80, 328,810.05 and 92,824.80 is: 139,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,184.80 : 328,810.05 = 92,824.80 : x
  2. Step 2: Convert to fraction form
    219,184.80/328,810.05 = 92,824.80/x
  3. Step 3: Cross multiply
    219,184.80x = 328,810.05 × 92,824.80
  4. Step 4: Simplify right side
    219,184.80x = 30,521,727,129.24
  5. Step 5: Solve for x
    x = 30,521,727,129.24/219,184.80
  6. Step 6: Final answer
    x = 139,251.11

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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.