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Finding the Fourth Proportional to 99,818.92, 149,728.54 and 29,698.92

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Solution

The fourth proportional to 99,818.92, 149,728.54 and 29,698.92 is: 44,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,818.92 : 149,728.54 = 29,698.92 : x
  2. Step 2: Convert to fraction form
    99,818.92/149,728.54 = 29,698.92/x
  3. Step 3: Cross multiply
    99,818.92x = 149,728.54 × 29,698.92
  4. Step 4: Simplify right side
    99,818.92x = 4,446,775,931.18
  5. Step 5: Solve for x
    x = 4,446,775,931.18/99,818.92
  6. Step 6: Final answer
    x = 44,548.43

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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.