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Finding the Fourth Proportional to 58,994.70, 88,362.45 and 51,218.70

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Solution

The fourth proportional to 58,994.70, 88,362.45 and 51,218.70 is: 76,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,994.70 : 88,362.45 = 51,218.70 : x
  2. Step 2: Convert to fraction form
    58,994.70/88,362.45 = 51,218.70/x
  3. Step 3: Cross multiply
    58,994.70x = 88,362.45 × 51,218.70
  4. Step 4: Simplify right side
    58,994.70x = 4,525,809,817.82
  5. Step 5: Solve for x
    x = 4,525,809,817.82/58,994.70
  6. Step 6: Final answer
    x = 76,715.53

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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.