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Finding the Fourth Proportional to 155,429.40, 233,201.70 and 149,669.40

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Solution

The fourth proportional to 155,429.40, 233,201.70 and 149,669.40 is: 224,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.40 : 233,201.70 = 149,669.40 : x
  2. Step 2: Convert to fraction form
    155,429.40/233,201.70 = 149,669.40/x
  3. Step 3: Cross multiply
    155,429.40x = 233,201.70 × 149,669.40
  4. Step 4: Simplify right side
    155,429.40x = 34,903,158,517.98
  5. Step 5: Solve for x
    x = 34,903,158,517.98/155,429.40
  6. Step 6: Final answer
    x = 224,559.57

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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.