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Finding the Fourth Proportional to 155,015, 232,463.46 and 91,852.94

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Solution

The fourth proportional to 155,015, 232,463.46 and 91,852.94 is: 137,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,015 : 232,463.46 = 91,852.94 : x
  2. Step 2: Convert to fraction form
    155,015/232,463.46 = 91,852.94/x
  3. Step 3: Cross multiply
    155,015x = 232,463.46 × 91,852.94
  4. Step 4: Simplify right side
    155,015x = 21,352,452,243.57
  5. Step 5: Solve for x
    x = 21,352,452,243.57/155,015
  6. Step 6: Final answer
    x = 137,744.43

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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.