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Finding the Fourth Proportional to 51,543.30, 72,264.30 and 51,543.30

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Solution

The fourth proportional to 51,543.30, 72,264.30 and 51,543.30 is: 72,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.30 : 72,264.30 = 51,543.30 : x
  2. Step 2: Convert to fraction form
    51,543.30/72,264.30 = 51,543.30/x
  3. Step 3: Cross multiply
    51,543.30x = 72,264.30 × 51,543.30
  4. Step 4: Simplify right side
    51,543.30x = 3,724,740,494.19
  5. Step 5: Solve for x
    x = 3,724,740,494.19/51,543.30
  6. Step 6: Final answer
    x = 72,264.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.