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Finding the Fourth Proportional to 67,564.74, 101,364.72 and 25,445.16

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Solution

The fourth proportional to 67,564.74, 101,364.72 and 25,445.16 is: 38,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,564.74 : 101,364.72 = 25,445.16 : x
  2. Step 2: Convert to fraction form
    67,564.74/101,364.72 = 25,445.16/x
  3. Step 3: Cross multiply
    67,564.74x = 101,364.72 × 25,445.16
  4. Step 4: Simplify right side
    67,564.74x = 2,579,241,518.76
  5. Step 5: Solve for x
    x = 2,579,241,518.76/67,564.74
  6. Step 6: Final answer
    x = 38,174.37

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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.