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Finding the Fourth Proportional to 99,269.20, 148,903.80 and 94,661.20

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Solution

The fourth proportional to 99,269.20, 148,903.80 and 94,661.20 is: 141,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,269.20 : 148,903.80 = 94,661.20 : x
  2. Step 2: Convert to fraction form
    99,269.20/148,903.80 = 94,661.20/x
  3. Step 3: Cross multiply
    99,269.20x = 148,903.80 × 94,661.20
  4. Step 4: Simplify right side
    99,269.20x = 14,095,412,392.56
  5. Step 5: Solve for x
    x = 14,095,412,392.56/99,269.20
  6. Step 6: Final answer
    x = 141,991.80

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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.