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Finding the Fourth Proportional to 144,254.94, 216,383.22 and 39,074.82

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Solution

The fourth proportional to 144,254.94, 216,383.22 and 39,074.82 is: 58,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,254.94 : 216,383.22 = 39,074.82 : x
  2. Step 2: Convert to fraction form
    144,254.94/216,383.22 = 39,074.82/x
  3. Step 3: Cross multiply
    144,254.94x = 216,383.22 × 39,074.82
  4. Step 4: Simplify right side
    144,254.94x = 8,455,135,372.52
  5. Step 5: Solve for x
    x = 8,455,135,372.52/144,254.94
  6. Step 6: Final answer
    x = 58,612.45

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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.