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Finding the Fourth Proportional to 144,240.94, 216,362.22 and 39,060.82

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Solution

The fourth proportional to 144,240.94, 216,362.22 and 39,060.82 is: 58,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,240.94 : 216,362.22 = 39,060.82 : x
  2. Step 2: Convert to fraction form
    144,240.94/216,362.22 = 39,060.82/x
  3. Step 3: Cross multiply
    144,240.94x = 216,362.22 × 39,060.82
  4. Step 4: Simplify right side
    144,240.94x = 8,451,285,730.22
  5. Step 5: Solve for x
    x = 8,451,285,730.22/144,240.94
  6. Step 6: Final answer
    x = 58,591.45

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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.