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Finding the Fourth Proportional to 219,210.04, 328,813.98 and 52,998.04

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Solution

The fourth proportional to 219,210.04, 328,813.98 and 52,998.04 is: 79,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,210.04 : 328,813.98 = 52,998.04 : x
  2. Step 2: Convert to fraction form
    219,210.04/328,813.98 = 52,998.04/x
  3. Step 3: Cross multiply
    219,210.04x = 328,813.98 × 52,998.04
  4. Step 4: Simplify right side
    219,210.04x = 17,426,496,464.60
  5. Step 5: Solve for x
    x = 17,426,496,464.60/219,210.04
  6. Step 6: Final answer
    x = 79,496.80

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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.