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Finding the Fourth Proportional to 67,886.16, 101,809.80 and 23,501.40

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Solution

The fourth proportional to 67,886.16, 101,809.80 and 23,501.40 is: 35,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,886.16 : 101,809.80 = 23,501.40 : x
  2. Step 2: Convert to fraction form
    67,886.16/101,809.80 = 23,501.40/x
  3. Step 3: Cross multiply
    67,886.16x = 101,809.80 × 23,501.40
  4. Step 4: Simplify right side
    67,886.16x = 2,392,672,833.72
  5. Step 5: Solve for x
    x = 2,392,672,833.72/67,886.16
  6. Step 6: Final answer
    x = 35,245.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.