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Finding the Fourth Proportional to 76,424.16, 114,606.72 and 29,670.72

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Solution

The fourth proportional to 76,424.16, 114,606.72 and 29,670.72 is: 44,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,424.16 : 114,606.72 = 29,670.72 : x
  2. Step 2: Convert to fraction form
    76,424.16/114,606.72 = 29,670.72/x
  3. Step 3: Cross multiply
    76,424.16x = 114,606.72 × 29,670.72
  4. Step 4: Simplify right side
    76,424.16x = 3,400,463,899.24
  5. Step 5: Solve for x
    x = 3,400,463,899.24/76,424.16
  6. Step 6: Final answer
    x = 44,494.62

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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.