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Finding the Fourth Proportional to 67,455.88, 101,188.72 and 25,902.88

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Solution

The fourth proportional to 67,455.88, 101,188.72 and 25,902.88 is: 38,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.88 : 101,188.72 = 25,902.88 : x
  2. Step 2: Convert to fraction form
    67,455.88/101,188.72 = 25,902.88/x
  3. Step 3: Cross multiply
    67,455.88x = 101,188.72 × 25,902.88
  4. Step 4: Simplify right side
    67,455.88x = 2,621,079,271.51
  5. Step 5: Solve for x
    x = 2,621,079,271.51/67,455.88
  6. Step 6: Final answer
    x = 38,856.20

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1.5x scale

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.