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Finding the Fourth Proportional to 113,632.96, 156,814.58 and 62,647.56

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Solution

The fourth proportional to 113,632.96, 156,814.58 and 62,647.56 is: 86,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,632.96 : 156,814.58 = 62,647.56 : x
  2. Step 2: Convert to fraction form
    113,632.96/156,814.58 = 62,647.56/x
  3. Step 3: Cross multiply
    113,632.96x = 156,814.58 × 62,647.56
  4. Step 4: Simplify right side
    113,632.96x = 9,824,050,809.42
  5. Step 5: Solve for x
    x = 9,824,050,809.42/113,632.96
  6. Step 6: Final answer
    x = 86,454.24

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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.