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Finding the Fourth Proportional to 144,365.92, 216,548.82 and 39,200.32

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Solution

The fourth proportional to 144,365.92, 216,548.82 and 39,200.32 is: 58,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,365.92 : 216,548.82 = 39,200.32 : x
  2. Step 2: Convert to fraction form
    144,365.92/216,548.82 = 39,200.32/x
  3. Step 3: Cross multiply
    144,365.92x = 216,548.82 × 39,200.32
  4. Step 4: Simplify right side
    144,365.92x = 8,488,783,039.62
  5. Step 5: Solve for x
    x = 8,488,783,039.62/144,365.92
  6. Step 6: Final answer
    x = 58,800.46

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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.