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Finding the Fourth Proportional to 101,650.93, 140,279.11 and 56,329.67

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Solution

The fourth proportional to 101,650.93, 140,279.11 and 56,329.67 is: 77,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.93 : 140,279.11 = 56,329.67 : x
  2. Step 2: Convert to fraction form
    101,650.93/140,279.11 = 56,329.67/x
  3. Step 3: Cross multiply
    101,650.93x = 140,279.11 × 56,329.67
  4. Step 4: Simplify right side
    101,650.93x = 7,901,876,184.07
  5. Step 5: Solve for x
    x = 7,901,876,184.07/101,650.93
  6. Step 6: Final answer
    x = 77,735.41

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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.