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Finding the Fourth Proportional to 59,108.70, 88,671.15 and 19,661.70

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Solution

The fourth proportional to 59,108.70, 88,671.15 and 19,661.70 is: 29,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,108.70 : 88,671.15 = 19,661.70 : x
  2. Step 2: Convert to fraction form
    59,108.70/88,671.15 = 19,661.70/x
  3. Step 3: Cross multiply
    59,108.70x = 88,671.15 × 19,661.70
  4. Step 4: Simplify right side
    59,108.70x = 1,743,425,549.96
  5. Step 5: Solve for x
    x = 1,743,425,549.96/59,108.70
  6. Step 6: Final answer
    x = 29,495.24

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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.