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Finding the Fourth Proportional to 273,877.00, 411,153.77 and 129,920.46

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Solution

The fourth proportional to 273,877.00, 411,153.77 and 129,920.46 is: 195,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,877.00 : 411,153.77 = 129,920.46 : x
  2. Step 2: Convert to fraction form
    273,877.00/411,153.77 = 129,920.46/x
  3. Step 3: Cross multiply
    273,877.00x = 411,153.77 × 129,920.46
  4. Step 4: Simplify right side
    273,877.00x = 53,417,285,712.11
  5. Step 5: Solve for x
    x = 53,417,285,712.11/273,877.00
  6. Step 6: Final answer
    x = 195,041.15

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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.