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Finding the Fourth Proportional to 96,483, 133,146.54 and 54,041.43

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Solution

The fourth proportional to 96,483, 133,146.54 and 54,041.43 is: 74,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,483 : 133,146.54 = 54,041.43 : x
  2. Step 2: Convert to fraction form
    96,483/133,146.54 = 54,041.43/x
  3. Step 3: Cross multiply
    96,483x = 133,146.54 × 54,041.43
  4. Step 4: Simplify right side
    96,483x = 7,195,429,421.15
  5. Step 5: Solve for x
    x = 7,195,429,421.15/96,483
  6. Step 6: Final answer
    x = 74,577.17

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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.