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Finding the Fourth Proportional to 255,591.99, 352,777.01 and 158,868.81

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Solution

The fourth proportional to 255,591.99, 352,777.01 and 158,868.81 is: 219,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,591.99 : 352,777.01 = 158,868.81 : x
  2. Step 2: Convert to fraction form
    255,591.99/352,777.01 = 158,868.81/x
  3. Step 3: Cross multiply
    255,591.99x = 352,777.01 × 158,868.81
  4. Step 4: Simplify right side
    255,591.99x = 56,045,262,979.71
  5. Step 5: Solve for x
    x = 56,045,262,979.71/255,591.99
  6. Step 6: Final answer
    x = 219,276.29

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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.