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Finding the Fourth Proportional to 67,068.28, 92,582.60 and 45,269.28

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Solution

The fourth proportional to 67,068.28, 92,582.60 and 45,269.28 is: 62,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068.28 : 92,582.60 = 45,269.28 : x
  2. Step 2: Convert to fraction form
    67,068.28/92,582.60 = 45,269.28/x
  3. Step 3: Cross multiply
    67,068.28x = 92,582.60 × 45,269.28
  4. Step 4: Simplify right side
    67,068.28x = 4,191,147,642.53
  5. Step 5: Solve for x
    x = 4,191,147,642.53/67,068.28
  6. Step 6: Final answer
    x = 62,490.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.