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Finding the Fourth Proportional to 97,332, 134,318.19 and 52,620

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Solution

The fourth proportional to 97,332, 134,318.19 and 52,620 is: 72,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,332 : 134,318.19 = 52,620 : x
  2. Step 2: Convert to fraction form
    97,332/134,318.19 = 52,620/x
  3. Step 3: Cross multiply
    97,332x = 134,318.19 × 52,620
  4. Step 4: Simplify right side
    97,332x = 7,067,823,157.80
  5. Step 5: Solve for x
    x = 7,067,823,157.80/97,332
  6. Step 6: Final answer
    x = 72,615.62

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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.