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Finding the Fourth Proportional to 288,474.66, 432,752.94 and 88,811.64

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Solution

The fourth proportional to 288,474.66, 432,752.94 and 88,811.64 is: 133,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,474.66 : 432,752.94 = 88,811.64 : x
  2. Step 2: Convert to fraction form
    288,474.66/432,752.94 = 88,811.64/x
  3. Step 3: Cross multiply
    288,474.66x = 432,752.94 × 88,811.64
  4. Step 4: Simplify right side
    288,474.66x = 38,433,498,316.22
  5. Step 5: Solve for x
    x = 38,433,498,316.22/288,474.66
  6. Step 6: Final answer
    x = 133,230.07

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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.