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Finding the Fourth Proportional to 99,698.58, 149,548.80 and 29,577.90

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Solution

The fourth proportional to 99,698.58, 149,548.80 and 29,577.90 is: 44,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698.58 : 149,548.80 = 29,577.90 : x
  2. Step 2: Convert to fraction form
    99,698.58/149,548.80 = 29,577.90/x
  3. Step 3: Cross multiply
    99,698.58x = 149,548.80 × 29,577.90
  4. Step 4: Simplify right side
    99,698.58x = 4,423,339,451.52
  5. Step 5: Solve for x
    x = 4,423,339,451.52/99,698.58
  6. Step 6: Final answer
    x = 44,367.13

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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.