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Finding the Fourth Proportional to 79,706.40, 119,575.32 and 23,547.48

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Solution

The fourth proportional to 79,706.40, 119,575.32 and 23,547.48 is: 35,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.40 : 119,575.32 = 23,547.48 : x
  2. Step 2: Convert to fraction form
    79,706.40/119,575.32 = 23,547.48/x
  3. Step 3: Cross multiply
    79,706.40x = 119,575.32 × 23,547.48
  4. Step 4: Simplify right side
    79,706.40x = 2,815,697,456.19
  5. Step 5: Solve for x
    x = 2,815,697,456.19/79,706.40
  6. Step 6: Final answer
    x = 35,325.86

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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.