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Finding the Fourth Proportional to 59,809.70, 89,714.68 and 56,156.06

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Solution

The fourth proportional to 59,809.70, 89,714.68 and 56,156.06 is: 84,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,809.70 : 89,714.68 = 56,156.06 : x
  2. Step 2: Convert to fraction form
    59,809.70/89,714.68 = 56,156.06/x
  3. Step 3: Cross multiply
    59,809.70x = 89,714.68 × 56,156.06
  4. Step 4: Simplify right side
    59,809.70x = 5,038,022,952.96
  5. Step 5: Solve for x
    x = 5,038,022,952.96/59,809.70
  6. Step 6: Final answer
    x = 84,234.21

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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.