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Finding the Fourth Proportional to 221,936.40, 333,113.40 and 116,830.80

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Solution

The fourth proportional to 221,936.40, 333,113.40 and 116,830.80 is: 175,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,936.40 : 333,113.40 = 116,830.80 : x
  2. Step 2: Convert to fraction form
    221,936.40/333,113.40 = 116,830.80/x
  3. Step 3: Cross multiply
    221,936.40x = 333,113.40 × 116,830.80
  4. Step 4: Simplify right side
    221,936.40x = 38,917,905,012.72
  5. Step 5: Solve for x
    x = 38,917,905,012.72/221,936.40
  6. Step 6: Final answer
    x = 175,356.12

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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.