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Finding the Fourth Proportional to 143,994.61, 216,088.33 and 59,754.86

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Solution

The fourth proportional to 143,994.61, 216,088.33 and 59,754.86 is: 89,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,994.61 : 216,088.33 = 59,754.86 : x
  2. Step 2: Convert to fraction form
    143,994.61/216,088.33 = 59,754.86/x
  3. Step 3: Cross multiply
    143,994.61x = 216,088.33 × 59,754.86
  4. Step 4: Simplify right side
    143,994.61x = 12,912,326,676.96
  5. Step 5: Solve for x
    x = 12,912,326,676.96/143,994.61
  6. Step 6: Final answer
    x = 89,672.29

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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.