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Finding the Fourth Proportional to 133,726.90, 200,525.55 and 74,499.70

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Solution

The fourth proportional to 133,726.90, 200,525.55 and 74,499.70 is: 111,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,726.90 : 200,525.55 = 74,499.70 : x
  2. Step 2: Convert to fraction form
    133,726.90/200,525.55 = 74,499.70/x
  3. Step 3: Cross multiply
    133,726.90x = 200,525.55 × 74,499.70
  4. Step 4: Simplify right side
    133,726.90x = 14,939,093,317.34
  5. Step 5: Solve for x
    x = 14,939,093,317.34/133,726.90
  6. Step 6: Final answer
    x = 111,713.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.