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Finding the Fourth Proportional to 235,671.46, 353,562.55 and 77,899.93

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Solution

The fourth proportional to 235,671.46, 353,562.55 and 77,899.93 is: 116,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.46 : 353,562.55 = 77,899.93 : x
  2. Step 2: Convert to fraction form
    235,671.46/353,562.55 = 77,899.93/x
  3. Step 3: Cross multiply
    235,671.46x = 353,562.55 × 77,899.93
  4. Step 4: Simplify right side
    235,671.46x = 27,542,496,816.97
  5. Step 5: Solve for x
    x = 27,542,496,816.97/235,671.46
  6. Step 6: Final answer
    x = 116,868.19

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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.