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Finding the Fourth Proportional to 104,328.50, 143,973.33 and 59,616.50

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Solution

The fourth proportional to 104,328.50, 143,973.33 and 59,616.50 is: 82,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328.50 : 143,973.33 = 59,616.50 : x
  2. Step 2: Convert to fraction form
    104,328.50/143,973.33 = 59,616.50/x
  3. Step 3: Cross multiply
    104,328.50x = 143,973.33 × 59,616.50
  4. Step 4: Simplify right side
    104,328.50x = 8,583,186,027.95
  5. Step 5: Solve for x
    x = 8,583,186,027.95/104,328.50
  6. Step 6: Final answer
    x = 82,270.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.