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Finding the Fourth Proportional to 96,552, 133,230.96 and 54,104.40

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Solution

The fourth proportional to 96,552, 133,230.96 and 54,104.40 is: 74,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,552 : 133,230.96 = 54,104.40 : x
  2. Step 2: Convert to fraction form
    96,552/133,230.96 = 54,104.40/x
  3. Step 3: Cross multiply
    96,552x = 133,230.96 × 54,104.40
  4. Step 4: Simplify right side
    96,552x = 7,208,381,152.22
  5. Step 5: Solve for x
    x = 7,208,381,152.22/96,552
  6. Step 6: Final answer
    x = 74,658.02

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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.