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Finding the Fourth Proportional to 79,653.48, 119,396.86 and 29,713.48

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Solution

The fourth proportional to 79,653.48, 119,396.86 and 29,713.48 is: 44,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,653.48 : 119,396.86 = 29,713.48 : x
  2. Step 2: Convert to fraction form
    79,653.48/119,396.86 = 29,713.48/x
  3. Step 3: Cross multiply
    79,653.48x = 119,396.86 × 29,713.48
  4. Step 4: Simplify right side
    79,653.48x = 3,547,696,211.67
  5. Step 5: Solve for x
    x = 3,547,696,211.67/79,653.48
  6. Step 6: Final answer
    x = 44,539.12

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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.