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Finding the Fourth Proportional to 101,483.32, 140,044.11 and 56,163.19

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Solution

The fourth proportional to 101,483.32, 140,044.11 and 56,163.19 is: 77,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,483.32 : 140,044.11 = 56,163.19 : x
  2. Step 2: Convert to fraction form
    101,483.32/140,044.11 = 56,163.19/x
  3. Step 3: Cross multiply
    101,483.32x = 140,044.11 × 56,163.19
  4. Step 4: Simplify right side
    101,483.32x = 7,865,323,958.31
  5. Step 5: Solve for x
    x = 7,865,323,958.31/101,483.32
  6. Step 6: Final answer
    x = 77,503.61

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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.