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Finding the Fourth Proportional to 74,409.70, 111,614.55 and 44,860.90

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Solution

The fourth proportional to 74,409.70, 111,614.55 and 44,860.90 is: 67,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,409.70 : 111,614.55 = 44,860.90 : x
  2. Step 2: Convert to fraction form
    74,409.70/111,614.55 = 44,860.90/x
  3. Step 3: Cross multiply
    74,409.70x = 111,614.55 × 44,860.90
  4. Step 4: Simplify right side
    74,409.70x = 5,007,129,166.10
  5. Step 5: Solve for x
    x = 5,007,129,166.10/74,409.70
  6. Step 6: Final answer
    x = 67,291.35

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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.