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Finding the Fourth Proportional to 98,595, 136,064.46 and 53,885.88

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Solution

The fourth proportional to 98,595, 136,064.46 and 53,885.88 is: 74,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,595 : 136,064.46 = 53,885.88 : x
  2. Step 2: Convert to fraction form
    98,595/136,064.46 = 53,885.88/x
  3. Step 3: Cross multiply
    98,595x = 136,064.46 × 53,885.88
  4. Step 4: Simplify right side
    98,595x = 7,331,953,163.82
  5. Step 5: Solve for x
    x = 7,331,953,163.82/98,595
  6. Step 6: Final answer
    x = 74,364.35

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1.5x scale

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.