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Finding the Fourth Proportional to 58,995.70, 88,363.95 and 51,219.70

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Solution

The fourth proportional to 58,995.70, 88,363.95 and 51,219.70 is: 76,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,995.70 : 88,363.95 = 51,219.70 : x
  2. Step 2: Convert to fraction form
    58,995.70/88,363.95 = 51,219.70/x
  3. Step 3: Cross multiply
    58,995.70x = 88,363.95 × 51,219.70
  4. Step 4: Simplify right side
    58,995.70x = 4,525,975,009.82
  5. Step 5: Solve for x
    x = 4,525,975,009.82/58,995.70
  6. Step 6: Final answer
    x = 76,717.03

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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.