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Finding the Fourth Proportional to 145,596.10, 218,404.13 and 49,494.21

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Solution

The fourth proportional to 145,596.10, 218,404.13 and 49,494.21 is: 74,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.10 : 218,404.13 = 49,494.21 : x
  2. Step 2: Convert to fraction form
    145,596.10/218,404.13 = 49,494.21/x
  3. Step 3: Cross multiply
    145,596.10x = 218,404.13 × 49,494.21
  4. Step 4: Simplify right side
    145,596.10x = 10,809,738,535.60
  5. Step 5: Solve for x
    x = 10,809,738,535.60/145,596.10
  6. Step 6: Final answer
    x = 74,244.70

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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.