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Finding the Fourth Proportional to 101,522.89, 140,099.92 and 56,199.93

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Solution

The fourth proportional to 101,522.89, 140,099.92 and 56,199.93 is: 77,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522.89 : 140,099.92 = 56,199.93 : x
  2. Step 2: Convert to fraction form
    101,522.89/140,099.92 = 56,199.93/x
  3. Step 3: Cross multiply
    101,522.89x = 140,099.92 × 56,199.93
  4. Step 4: Simplify right side
    101,522.89x = 7,873,605,697.01
  5. Step 5: Solve for x
    x = 7,873,605,697.01/101,522.89
  6. Step 6: Final answer
    x = 77,554.98

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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.