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Finding the Fourth Proportional to 199,813.84, 275,697.68 and 119,225.72

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Solution

The fourth proportional to 199,813.84, 275,697.68 and 119,225.72 is: 164,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,813.84 : 275,697.68 = 119,225.72 : x
  2. Step 2: Convert to fraction form
    199,813.84/275,697.68 = 119,225.72/x
  3. Step 3: Cross multiply
    199,813.84x = 275,697.68 × 119,225.72
  4. Step 4: Simplify right side
    199,813.84x = 32,870,254,493.45
  5. Step 5: Solve for x
    x = 32,870,254,493.45/199,813.84
  6. Step 6: Final answer
    x = 164,504.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.