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Finding the Fourth Proportional to 262,006.60, 393,009.90 and 95,859.40

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Solution

The fourth proportional to 262,006.60, 393,009.90 and 95,859.40 is: 143,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,006.60 : 393,009.90 = 95,859.40 : x
  2. Step 2: Convert to fraction form
    262,006.60/393,009.90 = 95,859.40/x
  3. Step 3: Cross multiply
    262,006.60x = 393,009.90 × 95,859.40
  4. Step 4: Simplify right side
    262,006.60x = 37,673,693,208.06
  5. Step 5: Solve for x
    x = 37,673,693,208.06/262,006.60
  6. Step 6: Final answer
    x = 143,789.10

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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.