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Finding the Fourth Proportional to 72,465.73, 99,956.67 and 52,352.17

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Solution

The fourth proportional to 72,465.73, 99,956.67 and 52,352.17 is: 72,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,465.73 : 99,956.67 = 52,352.17 : x
  2. Step 2: Convert to fraction form
    72,465.73/99,956.67 = 52,352.17/x
  3. Step 3: Cross multiply
    72,465.73x = 99,956.67 × 52,352.17
  4. Step 4: Simplify right side
    72,465.73x = 5,232,948,580.47
  5. Step 5: Solve for x
    x = 5,232,948,580.47/72,465.73
  6. Step 6: Final answer
    x = 72,212.74

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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.