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Finding the Fourth Proportional to 285,244.69, 427,934.54 and 93,118.11

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Solution

The fourth proportional to 285,244.69, 427,934.54 and 93,118.11 is: 139,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,244.69 : 427,934.54 = 93,118.11 : x
  2. Step 2: Convert to fraction form
    285,244.69/427,934.54 = 93,118.11/x
  3. Step 3: Cross multiply
    285,244.69x = 427,934.54 × 93,118.11
  4. Step 4: Simplify right side
    285,244.69x = 39,848,454,196.56
  5. Step 5: Solve for x
    x = 39,848,454,196.56/285,244.69
  6. Step 6: Final answer
    x = 139,699.20

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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.