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Finding the Fourth Proportional to 262,179.90, 361,763.55 and 147,428.82

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Solution

The fourth proportional to 262,179.90, 361,763.55 and 147,428.82 is: 203,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,179.90 : 361,763.55 = 147,428.82 : x
  2. Step 2: Convert to fraction form
    262,179.90/361,763.55 = 147,428.82/x
  3. Step 3: Cross multiply
    262,179.90x = 361,763.55 × 147,428.82
  4. Step 4: Simplify right side
    262,179.90x = 53,334,373,295.51
  5. Step 5: Solve for x
    x = 53,334,373,295.51/262,179.90
  6. Step 6: Final answer
    x = 203,426.63

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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.