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Finding the Fourth Proportional to 282,347.56, 423,630.78 and 124,464.52

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Solution

The fourth proportional to 282,347.56, 423,630.78 and 124,464.52 is: 186,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,347.56 : 423,630.78 = 124,464.52 : x
  2. Step 2: Convert to fraction form
    282,347.56/423,630.78 = 124,464.52/x
  3. Step 3: Cross multiply
    282,347.56x = 423,630.78 × 124,464.52
  4. Step 4: Simplify right side
    282,347.56x = 52,727,001,689.93
  5. Step 5: Solve for x
    x = 52,727,001,689.93/282,347.56
  6. Step 6: Final answer
    x = 186,745.02

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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.