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Finding the Fourth Proportional to 99,110.70, 148,666.05 and 25,238.70

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Solution

The fourth proportional to 99,110.70, 148,666.05 and 25,238.70 is: 37,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,110.70 : 148,666.05 = 25,238.70 : x
  2. Step 2: Convert to fraction form
    99,110.70/148,666.05 = 25,238.70/x
  3. Step 3: Cross multiply
    99,110.70x = 148,666.05 × 25,238.70
  4. Step 4: Simplify right side
    99,110.70x = 3,752,137,836.14
  5. Step 5: Solve for x
    x = 3,752,137,836.14/99,110.70
  6. Step 6: Final answer
    x = 37,858.05

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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.