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Finding the Fourth Proportional to 67,445.62, 101,089.65 and 50,752

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Solution

The fourth proportional to 67,445.62, 101,089.65 and 50,752 is: 76,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,445.62 : 101,089.65 = 50,752 : x
  2. Step 2: Convert to fraction form
    67,445.62/101,089.65 = 50,752/x
  3. Step 3: Cross multiply
    67,445.62x = 101,089.65 × 50,752
  4. Step 4: Simplify right side
    67,445.62x = 5,130,501,916.80
  5. Step 5: Solve for x
    x = 5,130,501,916.80/67,445.62
  6. Step 6: Final answer
    x = 76,068.72

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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.