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Finding the Fourth Proportional to 73,238.34, 109,857.51 and 69,498.57

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Solution

The fourth proportional to 73,238.34, 109,857.51 and 69,498.57 is: 104,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,238.34 : 109,857.51 = 69,498.57 : x
  2. Step 2: Convert to fraction form
    73,238.34/109,857.51 = 69,498.57/x
  3. Step 3: Cross multiply
    73,238.34x = 109,857.51 × 69,498.57
  4. Step 4: Simplify right side
    73,238.34x = 7,634,939,848.76
  5. Step 5: Solve for x
    x = 7,634,939,848.76/73,238.34
  6. Step 6: Final answer
    x = 104,247.86

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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.