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Finding the Fourth Proportional to 133,347.23, 183,932.47 and 85,524.83

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Solution

The fourth proportional to 133,347.23, 183,932.47 and 85,524.83 is: 117,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,347.23 : 183,932.47 = 85,524.83 : x
  2. Step 2: Convert to fraction form
    133,347.23/183,932.47 = 85,524.83/x
  3. Step 3: Cross multiply
    133,347.23x = 183,932.47 × 85,524.83
  4. Step 4: Simplify right side
    133,347.23x = 15,730,793,228.23
  5. Step 5: Solve for x
    x = 15,730,793,228.23/133,347.23
  6. Step 6: Final answer
    x = 117,968.65

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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.