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Finding the Fourth Proportional to 100,813.47, 151,220.55 and 29,736.98

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Solution

The fourth proportional to 100,813.47, 151,220.55 and 29,736.98 is: 44,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,813.47 : 151,220.55 = 29,736.98 : x
  2. Step 2: Convert to fraction form
    100,813.47/151,220.55 = 29,736.98/x
  3. Step 3: Cross multiply
    100,813.47x = 151,220.55 × 29,736.98
  4. Step 4: Simplify right side
    100,813.47x = 4,496,842,393.43
  5. Step 5: Solve for x
    x = 4,496,842,393.43/100,813.47
  6. Step 6: Final answer
    x = 44,605.57

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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.