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Finding the Fourth Proportional to 73,854.99, 101,885.04 and 53,703

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Solution

The fourth proportional to 73,854.99, 101,885.04 and 53,703 is: 74,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,854.99 : 101,885.04 = 53,703 : x
  2. Step 2: Convert to fraction form
    73,854.99/101,885.04 = 53,703/x
  3. Step 3: Cross multiply
    73,854.99x = 101,885.04 × 53,703
  4. Step 4: Simplify right side
    73,854.99x = 5,471,532,303.12
  5. Step 5: Solve for x
    x = 5,471,532,303.12/73,854.99
  6. Step 6: Final answer
    x = 74,084.80

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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.