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Finding the Fourth Proportional to 63,262.32, 87,230.79 and 43,130.94

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Solution

The fourth proportional to 63,262.32, 87,230.79 and 43,130.94 is: 59,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,262.32 : 87,230.79 = 43,130.94 : x
  2. Step 2: Convert to fraction form
    63,262.32/87,230.79 = 43,130.94/x
  3. Step 3: Cross multiply
    63,262.32x = 87,230.79 × 43,130.94
  4. Step 4: Simplify right side
    63,262.32x = 3,762,345,969.64
  5. Step 5: Solve for x
    x = 3,762,345,969.64/63,262.32
  6. Step 6: Final answer
    x = 59,472.15

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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.