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Finding the Fourth Proportional to 224,021.80, 336,032.70 and 99,605.80

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Solution

The fourth proportional to 224,021.80, 336,032.70 and 99,605.80 is: 149,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,021.80 : 336,032.70 = 99,605.80 : x
  2. Step 2: Convert to fraction form
    224,021.80/336,032.70 = 99,605.80/x
  3. Step 3: Cross multiply
    224,021.80x = 336,032.70 × 99,605.80
  4. Step 4: Simplify right side
    224,021.80x = 33,470,805,909.66
  5. Step 5: Solve for x
    x = 33,470,805,909.66/224,021.80
  6. Step 6: Final answer
    x = 149,408.70

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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.