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Finding the Fourth Proportional to 282,497.69, 423,525.00 and 132,660.86

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Solution

The fourth proportional to 282,497.69, 423,525.00 and 132,660.86 is: 198,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,497.69 : 423,525.00 = 132,660.86 : x
  2. Step 2: Convert to fraction form
    282,497.69/423,525.00 = 132,660.86/x
  3. Step 3: Cross multiply
    282,497.69x = 423,525.00 × 132,660.86
  4. Step 4: Simplify right side
    282,497.69x = 56,185,189,111.35
  5. Step 5: Solve for x
    x = 56,185,189,111.35/282,497.69
  6. Step 6: Final answer
    x = 198,887.25

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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.