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Finding the Fourth Proportional to 192,770.70, 266,023.53 and 107,887.77

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Solution

The fourth proportional to 192,770.70, 266,023.53 and 107,887.77 is: 148,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,770.70 : 266,023.53 = 107,887.77 : x
  2. Step 2: Convert to fraction form
    192,770.70/266,023.53 = 107,887.77/x
  3. Step 3: Cross multiply
    192,770.70x = 266,023.53 × 107,887.77
  4. Step 4: Simplify right side
    192,770.70x = 28,700,684,089.11
  5. Step 5: Solve for x
    x = 28,700,684,089.11/192,770.70
  6. Step 6: Final answer
    x = 148,885.10

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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.