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Finding the Fourth Proportional to 262,021.64, 361,599.54 and 148,863.56

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Solution

The fourth proportional to 262,021.64, 361,599.54 and 148,863.56 is: 205,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,021.64 : 361,599.54 = 148,863.56 : x
  2. Step 2: Convert to fraction form
    262,021.64/361,599.54 = 148,863.56/x
  3. Step 3: Cross multiply
    262,021.64x = 361,599.54 × 148,863.56
  4. Step 4: Simplify right side
    262,021.64x = 53,828,994,818.76
  5. Step 5: Solve for x
    x = 53,828,994,818.76/262,021.64
  6. Step 6: Final answer
    x = 205,437.21

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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.